diff --git a/core/cli/package.json b/core/cli/package.json
index 1103545b8..6b94431a0 100644
--- a/core/cli/package.json
+++ b/core/cli/package.json
@@ -26,7 +26,7 @@
     "@types/pluralize": "^0.0.33",
     "globby": "^10.0.2",
     "winston": "^3.17.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "dependencies": {
     "@dotcom-tool-kit/base": "^1.2.3",
diff --git a/core/create/package.json b/core/create/package.json
index 1d31bf8e3..cfdf6f66f 100644
--- a/core/create/package.json
+++ b/core/create/package.json
@@ -32,7 +32,7 @@
     "simple-git": "^3.27.0",
     "tslib": "^2.8.1",
     "yaml": "^2.8.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/lib/base/package.json b/lib/base/package.json
index b13e61dcf..41034cd9a 100644
--- a/lib/base/package.json
+++ b/lib/base/package.json
@@ -21,9 +21,9 @@
     "@dotcom-tool-kit/plugin": "^1.1.0",
     "type-fest": "^4.41.0",
     "winston": "^3.17.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "peerDependencies": {
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/lib/doppler/package.json b/lib/doppler/package.json
index aa2d630ae..c4d0cef45 100644
--- a/lib/doppler/package.json
+++ b/lib/doppler/package.json
@@ -10,7 +10,7 @@
     "@dotcom-tool-kit/error": "^4.1.1",
     "@dotcom-tool-kit/logger": "^4.2.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "keywords": [],
   "author": "FT.com Platforms Team <platforms-team.customer-products@ft.com>",
diff --git a/package-lock.json b/package-lock.json
index 6e1e77aa7..8bb19a878 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -77,7 +77,7 @@
         "@types/pluralize": "^0.0.33",
         "globby": "^10.0.2",
         "winston": "^3.17.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -168,6 +168,16 @@
       "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==",
       "license": "MIT"
     },
+    "core/cli/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "core/create": {
       "name": "@dotcom-tool-kit/create",
       "version": "4.2.12",
@@ -194,7 +204,7 @@
         "simple-git": "^3.27.0",
         "tslib": "^2.8.1",
         "yaml": "^2.8.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "bin": {
         "create": "bin/create-tool-kit"
@@ -220,6 +230,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "core/create/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "core/sandbox": {
       "version": "1.0.0",
       "extraneous": true,
@@ -252,10 +271,20 @@
         "@dotcom-tool-kit/plugin": "^1.1.0",
         "type-fest": "^4.41.0",
         "winston": "^3.17.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "peerDependencies": {
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
+      }
+    },
+    "lib/base/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
       }
     },
     "lib/config": {
@@ -284,7 +313,7 @@
         "@dotcom-tool-kit/error": "^4.1.1",
         "@dotcom-tool-kit/logger": "^4.2.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "spawk": "^1.8.2",
@@ -294,6 +323,15 @@
         "node": "18.x || 20.x || 22.x"
       }
     },
+    "lib/doppler/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "lib/error": {
       "name": "@dotcom-tool-kit/error",
       "version": "4.1.1",
@@ -28967,21 +29005,6 @@
         "node": ">=4.0.0"
       }
     },
-    "node_modules/path-loader/node_modules/qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
-      "peer": true,
-      "dependencies": {
-        "side-channel": "^1.0.4"
-      },
-      "engines": {
-        "node": ">=0.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/path-loader/node_modules/superagent": {
       "version": "7.1.6",
       "resolved": "https://registry.npmjs.org/superagent/-/superagent-7.1.6.tgz",
@@ -29722,6 +29745,22 @@
         }
       ]
     },
+    "node_modules/qs": {
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
+      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
+      "license": "BSD-3-Clause",
+      "peer": true,
+      "dependencies": {
+        "side-channel": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/query-selector-shadow-dom": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/query-selector-shadow-dom/-/query-selector-shadow-dom-1.0.1.tgz",
@@ -35059,10 +35098,11 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.24.4",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.4.tgz",
-      "integrity": "sha512-OdqJE9UDRPwWsrHjLN2F8bPxvwJBK22EHLWtanu0LSYr5YqzsaaW3RMgmjwr8Rypg5k+meEJdSPXJZXE/yqOMg==",
+      "version": "3.25.76",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
       "license": "MIT",
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
@@ -35125,7 +35165,7 @@
         "@dotcom-tool-kit/base": "^1.2.3",
         "@dotcom-tool-kit/error": "^4.1.1",
         "@dotcom-tool-kit/state": "^4.3.2",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35134,6 +35174,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/aws/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/babel": {
       "name": "@dotcom-tool-kit/babel",
       "version": "4.3.5",
@@ -35144,7 +35193,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "fast-glob": "^3.3.3",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@babel/preset-env": "^7.27.2",
@@ -35159,6 +35208,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/babel/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/backend-app": {
       "name": "@dotcom-tool-kit/backend-app",
       "version": "3.2.6",
@@ -35223,7 +35281,7 @@
         "lodash": "^4.17.21",
         "tslib": "^2.8.1",
         "yaml": "^2.8.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@dotcom-tool-kit/plugin": "^1.1.0",
@@ -35238,7 +35296,7 @@
       },
       "peerDependencies": {
         "dotcom-tool-kit": "4.x",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       }
     },
     "plugins/circleci-deploy": {
@@ -35293,13 +35351,22 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/circleci/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/cloudsmith": {
       "name": "@dotcom-tool-kit/cloudsmith",
       "version": "1.1.2",
       "license": "ISC",
       "dependencies": {
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x",
@@ -35309,6 +35376,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/cloudsmith/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/commitlint": {
       "name": "@dotcom-tool-kit/commitlint",
       "version": "1.2.12",
@@ -35353,13 +35429,13 @@
         "@dotcom-tool-kit/hako": "^0.1.18",
         "@dotcom-tool-kit/logger": "^4.2.2",
         "@dotcom-tool-kit/node": "^4.3.4",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
       },
       "peerDependencies": {
-        "dotcom-tool-kit": "^4.9.0"
+        "dotcom-tool-kit": "^4.8.0"
       }
     },
     "plugins/containerised-app-with-assets": {
@@ -35370,13 +35446,31 @@
         "@dotcom-tool-kit/containerised-app": "^0.2.8",
         "@dotcom-tool-kit/upload-assets-to-s3": "^4.3.6",
         "@dotcom-tool-kit/webpack": "^4.3.4",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
       },
       "peerDependencies": {
-        "dotcom-tool-kit": "^4.9.0"
+        "dotcom-tool-kit": "^4.8.0"
+      }
+    },
+    "plugins/containerised-app-with-assets/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
+    "plugins/containerised-app/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
       }
     },
     "plugins/cypress": {
@@ -35389,7 +35483,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "@dotcom-tool-kit/package-json-hook": "^5.2.4",
         "@dotcom-tool-kit/state": "^4.3.2",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35398,6 +35492,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/cypress/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/docker": {
       "name": "@dotcom-tool-kit/docker",
       "version": "0.4.4",
@@ -35408,7 +35511,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "@dotcom-tool-kit/state": "^4.3.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35417,6 +35520,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/docker/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/doppler": {
       "extraneous": true
     },
@@ -35429,7 +35541,7 @@
         "@dotcom-tool-kit/error": "^4.1.1",
         "@dotcom-tool-kit/logger": "^4.2.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -35447,6 +35559,15 @@
         "eslint": "7.x || 8.x"
       }
     },
+    "plugins/eslint/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/frontend-app": {
       "name": "@dotcom-tool-kit/frontend-app",
       "version": "4.1.18",
@@ -35473,13 +35594,22 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "@dotcom-tool-kit/state": "^4.3.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
       },
       "peerDependencies": {
-        "dotcom-tool-kit": "4.9.0"
+        "dotcom-tool-kit": "4.x"
+      }
+    },
+    "plugins/hako/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
       }
     },
     "plugins/heroku": {
@@ -35500,7 +35630,7 @@
         "heroku-client": "^3.1.0",
         "p-retry": "^4.5.0",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@types/financial-times__package-json": "^1.9.0",
@@ -35514,6 +35644,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/heroku/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/husky-npm": {
       "name": "@dotcom-tool-kit/husky-npm",
       "version": "5.1.12",
@@ -35538,7 +35677,7 @@
         "@dotcom-tool-kit/base": "^1.2.3",
         "@dotcom-tool-kit/logger": "^4.2.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "winston": "^3.17.0"
@@ -35551,6 +35690,15 @@
         "jest-cli": "27.x || 28.x || 29.x"
       }
     },
+    "plugins/jest/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/lint-staged": {
       "name": "@dotcom-tool-kit/lint-staged",
       "version": "5.2.12",
@@ -35578,7 +35726,7 @@
         "@dotcom-tool-kit/lint-staged": "^5.2.12",
         "@dotcom-tool-kit/package-json-hook": "^5.2.4",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35587,6 +35735,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/lint-staged-npm/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/lint-staged/node_modules/colorette": {
       "version": "1.4.0",
       "license": "MIT"
@@ -35647,7 +35804,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "glob": "^10.4.5",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -35663,6 +35820,15 @@
         "mocha": ">=6.x <=11.x"
       }
     },
+    "plugins/mocha/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/monorepo": {
       "name": "@dotcom-tool-kit/monorepo",
       "version": "0.1.5",
@@ -35673,7 +35839,7 @@
         "@npmcli/map-workspaces": "^4.0.2",
         "minimatch": "^10.0.3",
         "pluralize": "^8.0.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@dotcom-tool-kit/config": "^1.1.1",
@@ -35689,6 +35855,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/monorepo/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/n-test": {
       "name": "@dotcom-tool-kit/n-test",
       "version": "4.3.5",
@@ -35700,7 +35875,7 @@
         "@dotcom-tool-kit/state": "^4.3.2",
         "@financial-times/n-test": "^8.0.0",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -35714,6 +35889,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/n-test/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/next-router": {
       "name": "@dotcom-tool-kit/next-router",
       "version": "4.3.4",
@@ -35726,7 +35910,7 @@
         "@dotcom-tool-kit/state": "^4.3.2",
         "ft-next-router": "^4.0.2",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35735,6 +35919,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/next-router/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/node": {
       "name": "@dotcom-tool-kit/node",
       "version": "4.3.4",
@@ -35747,7 +35940,7 @@
         "get-port": "^5.1.1",
         "tslib": "^2.8.1",
         "wait-port": "^1.1.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -35766,7 +35959,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "glob": "^10.4.5",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@types/node": "^20.17.28"
@@ -35867,6 +36060,24 @@
       "dev": true,
       "license": "MIT"
     },
+    "plugins/node-test/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
+    "plugins/node/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/nodemon": {
       "name": "@dotcom-tool-kit/nodemon",
       "version": "4.2.4",
@@ -35878,7 +36089,7 @@
         "@dotcom-tool-kit/state": "^4.3.2",
         "get-port": "^5.1.1",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@types/nodemon": "^1.19.6"
@@ -35891,6 +36102,15 @@
         "nodemon": "2.x"
       }
     },
+    "plugins/nodemon/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/npm": {
       "name": "@dotcom-tool-kit/npm",
       "version": "4.2.16",
@@ -36148,7 +36368,7 @@
         "@financial-times/package-json": "^4.0.0",
         "lodash": "^4.17.21",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -36159,7 +36379,16 @@
         "node": "18.x || 20.x || 22.x"
       },
       "peerDependencies": {
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
+      }
+    },
+    "plugins/package-json-hook/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
       }
     },
     "plugins/parallel": {
@@ -36177,7 +36406,7 @@
         "fast-glob": "^3.3.3",
         "prettier": "^2.2.1",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@types/prettier": "^2.7.3",
@@ -36196,6 +36425,15 @@
       "integrity": "sha512-+68kP9yzs4LMp7VNh8gdzMSPZFL44MLGqiHWvttYJe+6qnuVr4Ek9wSBQoveqY/r+LwjCcU29kNVkidwim+kYA==",
       "dev": true
     },
+    "plugins/prettier/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/secret-squirrel": {
       "name": "@dotcom-tool-kit/secret-squirrel",
       "version": "2.1.4",
@@ -36228,7 +36466,7 @@
         "get-port": "^5.1.1",
         "tslib": "^2.8.1",
         "wait-port": "^1.1.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "engines": {
         "node": "18.x || 20.x || 22.x"
@@ -36238,6 +36476,15 @@
         "serverless-offline": "12.x || 13.x"
       }
     },
+    "plugins/serverless/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/typescript": {
       "name": "@dotcom-tool-kit/typescript",
       "version": "3.3.4",
@@ -36245,7 +36492,7 @@
       "dependencies": {
         "@dotcom-tool-kit/base": "^1.2.3",
         "@dotcom-tool-kit/logger": "^4.2.2",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -36260,6 +36507,15 @@
         "typescript": "3.x || 4.x || 5.x"
       }
     },
+    "plugins/typescript/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/upload-assets-to-s3": {
       "name": "@dotcom-tool-kit/upload-assets-to-s3",
       "version": "4.3.6",
@@ -36272,7 +36528,7 @@
         "glob": "^10.4.5",
         "mime": "^3.0.0",
         "tslib": "^2.8.1",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -36288,6 +36544,15 @@
         "dotcom-tool-kit": "4.x"
       }
     },
+    "plugins/upload-assets-to-s3/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "plugins/webpack": {
       "name": "@dotcom-tool-kit/webpack",
       "version": "4.3.4",
@@ -36298,7 +36563,7 @@
         "@dotcom-tool-kit/logger": "^4.2.2",
         "tslib": "^2.8.1",
         "webpack-cli": "^4.6.0",
-        "zod": "^3.24.4"
+        "zod": "^4.0.2"
       },
       "devDependencies": {
         "@jest/globals": "^29.7.0",
@@ -36313,6 +36578,15 @@
         "webpack": "4.x.x || 5.x.x"
       }
     },
+    "plugins/webpack/node_modules/zod": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.2.tgz",
+      "integrity": "sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "types/financial-times__package-json": {
       "name": "@types/financial-times__package-json",
       "version": "1.9.0",
diff --git a/plugins/aws/package.json b/plugins/aws/package.json
index ea77e70c8..0e3234713 100644
--- a/plugins/aws/package.json
+++ b/plugins/aws/package.json
@@ -31,6 +31,6 @@
     "@dotcom-tool-kit/base": "^1.2.3",
     "@dotcom-tool-kit/error": "^4.1.1",
     "@dotcom-tool-kit/state": "^4.3.2",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/plugins/babel/package.json b/plugins/babel/package.json
index 4e665f719..1f8f0f0e1 100644
--- a/plugins/babel/package.json
+++ b/plugins/babel/package.json
@@ -21,7 +21,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "fast-glob": "^3.3.3",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "files": [
     "/lib",
diff --git a/plugins/circleci/package.json b/plugins/circleci/package.json
index 5f768147b..b7c024db9 100644
--- a/plugins/circleci/package.json
+++ b/plugins/circleci/package.json
@@ -16,7 +16,7 @@
     "lodash": "^4.17.21",
     "tslib": "^2.8.1",
     "yaml": "^2.8.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "keywords": [],
   "author": "FT.com Platforms Team <platforms-team.customer-products@ft.com>",
@@ -45,7 +45,7 @@
   },
   "peerDependencies": {
     "dotcom-tool-kit": "4.x",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "engines": {
     "node": "18.x || 20.x || 22.x"
diff --git a/plugins/cloudsmith/package.json b/plugins/cloudsmith/package.json
index aef7a9ff8..948625013 100644
--- a/plugins/cloudsmith/package.json
+++ b/plugins/cloudsmith/package.json
@@ -29,6 +29,6 @@
   },
   "dependencies": {
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/plugins/containerised-app-with-assets/package.json b/plugins/containerised-app-with-assets/package.json
index 4789f47c4..4c98cc427 100644
--- a/plugins/containerised-app-with-assets/package.json
+++ b/plugins/containerised-app-with-assets/package.json
@@ -28,6 +28,6 @@
     "@dotcom-tool-kit/containerised-app": "^0.2.8",
     "@dotcom-tool-kit/upload-assets-to-s3": "^4.3.6",
     "@dotcom-tool-kit/webpack": "^4.3.4",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/plugins/containerised-app/package.json b/plugins/containerised-app/package.json
index b575c9226..584910987 100644
--- a/plugins/containerised-app/package.json
+++ b/plugins/containerised-app/package.json
@@ -34,6 +34,6 @@
     "@dotcom-tool-kit/hako": "^0.1.18",
     "@dotcom-tool-kit/logger": "^4.2.2",
     "@dotcom-tool-kit/node": "^4.3.4",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/plugins/cypress/package.json b/plugins/cypress/package.json
index 16c4ba027..a2a060fd2 100644
--- a/plugins/cypress/package.json
+++ b/plugins/cypress/package.json
@@ -32,6 +32,6 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "@dotcom-tool-kit/package-json-hook": "^5.2.4",
     "@dotcom-tool-kit/state": "^4.3.2",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   }
 }
diff --git a/plugins/docker/package.json b/plugins/docker/package.json
index 6a9477ecf..45dcb80ab 100644
--- a/plugins/docker/package.json
+++ b/plugins/docker/package.json
@@ -15,7 +15,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "@dotcom-tool-kit/state": "^4.3.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/eslint/package.json b/plugins/eslint/package.json
index 74dd15f79..5a9f8e84f 100644
--- a/plugins/eslint/package.json
+++ b/plugins/eslint/package.json
@@ -14,7 +14,7 @@
     "@dotcom-tool-kit/error": "^4.1.1",
     "@dotcom-tool-kit/logger": "^4.2.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/hako/package.json b/plugins/hako/package.json
index 7aa2908d6..19d0286e8 100644
--- a/plugins/hako/package.json
+++ b/plugins/hako/package.json
@@ -14,7 +14,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "@dotcom-tool-kit/state": "^4.3.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "description": "",
   "repository": {
diff --git a/plugins/heroku/package.json b/plugins/heroku/package.json
index 96c514ee3..0a23bd25c 100644
--- a/plugins/heroku/package.json
+++ b/plugins/heroku/package.json
@@ -23,7 +23,7 @@
     "heroku-client": "^3.1.0",
     "p-retry": "^4.5.0",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/jest/package.json b/plugins/jest/package.json
index 83c153cc6..1aedc3a64 100644
--- a/plugins/jest/package.json
+++ b/plugins/jest/package.json
@@ -13,7 +13,7 @@
     "@dotcom-tool-kit/base": "^1.2.3",
     "@dotcom-tool-kit/logger": "^4.2.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "peerDependencies": {
     "dotcom-tool-kit": "4.x",
diff --git a/plugins/lint-staged-npm/package.json b/plugins/lint-staged-npm/package.json
index ec65acef6..b63d97073 100644
--- a/plugins/lint-staged-npm/package.json
+++ b/plugins/lint-staged-npm/package.json
@@ -14,7 +14,7 @@
     "@dotcom-tool-kit/lint-staged": "^5.2.12",
     "@dotcom-tool-kit/package-json-hook": "^5.2.4",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/mocha/package.json b/plugins/mocha/package.json
index 31bcafcf5..c404052b8 100644
--- a/plugins/mocha/package.json
+++ b/plugins/mocha/package.json
@@ -15,7 +15,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "glob": "^10.4.5",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/monorepo/package.json b/plugins/monorepo/package.json
index 1cd582a6d..9ddc5b113 100644
--- a/plugins/monorepo/package.json
+++ b/plugins/monorepo/package.json
@@ -36,7 +36,7 @@
     "@npmcli/map-workspaces": "^4.0.2",
     "minimatch": "^10.0.3",
     "pluralize": "^8.0.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "devDependencies": {
     "@dotcom-tool-kit/config": "^1.1.1",
diff --git a/plugins/n-test/package.json b/plugins/n-test/package.json
index 16d28379d..e0c0df091 100644
--- a/plugins/n-test/package.json
+++ b/plugins/n-test/package.json
@@ -16,7 +16,7 @@
     "@dotcom-tool-kit/state": "^4.3.2",
     "@financial-times/n-test": "^8.0.0",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/next-router/package.json b/plugins/next-router/package.json
index 1172953a0..699c0ba11 100644
--- a/plugins/next-router/package.json
+++ b/plugins/next-router/package.json
@@ -17,7 +17,7 @@
     "@dotcom-tool-kit/state": "^4.3.2",
     "ft-next-router": "^4.0.2",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/node-test/package.json b/plugins/node-test/package.json
index 5c45921a2..8ff9b5982 100644
--- a/plugins/node-test/package.json
+++ b/plugins/node-test/package.json
@@ -35,7 +35,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "glob": "^10.4.5",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "devDependencies": {
     "@types/node": "^20.17.28"
diff --git a/plugins/node/package.json b/plugins/node/package.json
index 756b60147..0210dc203 100644
--- a/plugins/node/package.json
+++ b/plugins/node/package.json
@@ -17,7 +17,7 @@
     "get-port": "^5.1.1",
     "tslib": "^2.8.1",
     "wait-port": "^1.1.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/nodemon/package.json b/plugins/nodemon/package.json
index ffcc07370..4c0c3c9f7 100644
--- a/plugins/nodemon/package.json
+++ b/plugins/nodemon/package.json
@@ -16,7 +16,7 @@
     "@dotcom-tool-kit/state": "^4.3.2",
     "get-port": "^5.1.1",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "peerDependencies": {
     "dotcom-tool-kit": "4.x",
diff --git a/plugins/package-json-hook/package.json b/plugins/package-json-hook/package.json
index d3132f1af..16c9a5a71 100644
--- a/plugins/package-json-hook/package.json
+++ b/plugins/package-json-hook/package.json
@@ -16,7 +16,7 @@
     "@financial-times/package-json": "^4.0.0",
     "lodash": "^4.17.21",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
@@ -26,7 +26,7 @@
   "bugs": "https://github.com/financial-times/dotcom-tool-kit/issues",
   "homepage": "https://github.com/financial-times/dotcom-tool-kit/tree/main/plugins/package-json-hook",
   "peerDependencies": {
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "devDependencies": {
     "@jest/globals": "^29.7.0",
diff --git a/plugins/prettier/package.json b/plugins/prettier/package.json
index 6d5c94e0d..6438ec1dd 100644
--- a/plugins/prettier/package.json
+++ b/plugins/prettier/package.json
@@ -17,7 +17,7 @@
     "fast-glob": "^3.3.3",
     "prettier": "^2.2.1",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/serverless/package.json b/plugins/serverless/package.json
index 296571491..4e00309e2 100644
--- a/plugins/serverless/package.json
+++ b/plugins/serverless/package.json
@@ -33,7 +33,7 @@
     "get-port": "^5.1.1",
     "tslib": "^2.8.1",
     "wait-port": "^1.1.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "engines": {
     "node": "18.x || 20.x || 22.x"
diff --git a/plugins/typescript/package.json b/plugins/typescript/package.json
index 41fc9dc50..026cad572 100644
--- a/plugins/typescript/package.json
+++ b/plugins/typescript/package.json
@@ -27,7 +27,7 @@
   "dependencies": {
     "@dotcom-tool-kit/base": "^1.2.3",
     "@dotcom-tool-kit/logger": "^4.2.2",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "devDependencies": {
     "@jest/globals": "^29.7.0",
diff --git a/plugins/upload-assets-to-s3/package.json b/plugins/upload-assets-to-s3/package.json
index ae7c7677d..28a8270f8 100644
--- a/plugins/upload-assets-to-s3/package.json
+++ b/plugins/upload-assets-to-s3/package.json
@@ -17,7 +17,7 @@
     "glob": "^10.4.5",
     "mime": "^3.0.0",
     "tslib": "^2.8.1",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "repository": {
     "type": "git",
diff --git a/plugins/webpack/package.json b/plugins/webpack/package.json
index 31b997d1d..758ea6e67 100644
--- a/plugins/webpack/package.json
+++ b/plugins/webpack/package.json
@@ -22,7 +22,7 @@
     "@dotcom-tool-kit/logger": "^4.2.2",
     "tslib": "^2.8.1",
     "webpack-cli": "^4.6.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.2"
   },
   "peerDependencies": {
     "dotcom-tool-kit": "4.x",