diff --git a/express-petstore/finish/backend/package-lock.json b/express-petstore/finish/backend/package-lock.json
index 61798a3..ed4f23a 100644
--- a/express-petstore/finish/backend/package-lock.json
+++ b/express-petstore/finish/backend/package-lock.json
@@ -17,7 +17,7 @@
         "compression": "^1.7.4",
         "cors": "^2.8.5",
         "dotenv": "^16.3.1",
-        "express": "^4.18.2",
+        "express": "^4.22.1",
         "helmet": "^7.1.0",
         "serverless-http": "^3.2.0",
         "uuid": "^9.0.0",
@@ -401,6 +401,7 @@
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       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
         "@aws-crypto/sha256-browser": "5.2.0",
         "@aws-crypto/sha256-js": "5.2.0",
@@ -976,6 +977,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.27.1",
@@ -2979,6 +2981,7 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.50.tgz",
       "integrity": "sha512-Mxiq0ULv/zo1OzOhwPqOA13I81CV/W3nvd3ChtQZRT5Cwz3cr0FKo/wMSsbTqL3EXpaBAEQhva2B8ByRkOIh9A==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~6.19.2"
       }
@@ -3119,6 +3122,7 @@
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       "dev": true,
       "license": "BSD-2-Clause",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "6.21.0",
         "@typescript-eslint/types": "6.21.0",
@@ -3314,6 +3318,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3717,6 +3722,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001716",
         "electron-to-chromium": "^1.5.149",
@@ -4513,6 +4519,7 @@
       "deprecated": "This version is no longer supported. Please see https://eslint.org/version-support for other options.",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
@@ -4755,39 +4762,39 @@
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     },
     "node_modules/express": {
-      "version": "4.21.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
-      "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
+      "version": "4.22.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.22.1.tgz",
+      "integrity": "sha512-F2X8g9P1X7uCPZMA3MVf9wcTqlyNp7IhH5qPCI0izhaOIYXaW9L535tGA3qmjRzpH+bZczqq7hVKxTR4NWnu+g==",
       "license": "MIT",
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
-        "body-parser": "1.20.3",
-        "content-disposition": "0.5.4",
+        "body-parser": "~1.20.3",
+        "content-disposition": "~0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.7.1",
-        "cookie-signature": "1.0.6",
+        "cookie": "~0.7.1",
+        "cookie-signature": "~1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
         "encodeurl": "~2.0.0",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
-        "finalhandler": "1.3.1",
-        "fresh": "0.5.2",
-        "http-errors": "2.0.0",
+        "finalhandler": "~1.3.1",
+        "fresh": "~0.5.2",
+        "http-errors": "~2.0.0",
         "merge-descriptors": "1.0.3",
         "methods": "~1.1.2",
-        "on-finished": "2.4.1",
+        "on-finished": "~2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.12",
+        "path-to-regexp": "~0.1.12",
         "proxy-addr": "~2.0.7",
-        "qs": "6.13.0",
+        "qs": "~6.14.0",
         "range-parser": "~1.2.1",
         "safe-buffer": "5.2.1",
-        "send": "0.19.0",
-        "serve-static": "1.16.2",
+        "send": "~0.19.0",
+        "serve-static": "~1.16.2",
         "setprototypeof": "1.2.0",
-        "statuses": "2.0.1",
+        "statuses": "~2.0.1",
         "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
         "vary": "~1.1.2"
@@ -4815,6 +4822,21 @@
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       "license": "MIT"
     },
+    "node_modules/express/node_modules/qs": {
+      "version": "6.14.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.1.tgz",
+      "integrity": "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "side-channel": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -5752,6 +5774,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@jest/core": "^29.7.0",
         "@jest/types": "^29.6.3",
@@ -8063,6 +8086,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@cspotcode/source-map-support": "^0.8.0",
         "@tsconfig/node10": "^1.0.7",
@@ -8244,6 +8268,7 @@
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/express-petstore/finish/backend/package.json b/express-petstore/finish/backend/package.json
index ba0e2e4..51e938d 100644
--- a/express-petstore/finish/backend/package.json
+++ b/express-petstore/finish/backend/package.json
@@ -23,7 +23,7 @@
     "compression": "^1.7.4",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
-    "express": "^4.18.2",
+    "express": "^4.22.1",
     "helmet": "^7.1.0",
     "serverless-http": "^3.2.0",
     "uuid": "^9.0.0",