diff --git a/deep-time-app/package-lock.json b/deep-time-app/package-lock.json
index e618087..590fa2f 100644
--- a/deep-time-app/package-lock.json
+++ b/deep-time-app/package-lock.json
@@ -12,16 +12,16 @@
         "@types/three": "^0.181.0",
         "deep-time-core": "file:..",
         "firebase": "^11.0.0",
-        "react": "^18.3.1",
-        "react-dom": "^18.3.1",
+        "react": "^19.2.1",
+        "react-dom": "^19.2.1",
         "three": "^0.181.2",
         "webxr-polyfill": "^2.0.3",
         "zustand": "^5.0.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.13.0",
-        "@types/react": "^18.3.12",
-        "@types/react-dom": "^18.3.1",
+        "@types/react": "^19.2.7",
+        "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^4.3.3",
         "autoprefixer": "^10.4.20",
         "eslint": "^9.13.0",
@@ -3600,32 +3600,24 @@
         "undici-types": "~7.16.0"
       }
     },
-    "node_modules/@types/prop-types": {
-      "version": "15.7.15",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
-      "integrity": "sha512-F6bEyamV9jKGAFBEmlQnesRPGOQqS2+Uwi0Em15xenOxHaf2hv6L8YCVn3rPdPJOiJfPiCnLIRyvwVaqMY3MIw==",
-      "devOptional": true,
-      "license": "MIT"
-    },
     "node_modules/@types/react": {
-      "version": "18.3.27",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.27.tgz",
-      "integrity": "sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==",
+      "version": "19.2.7",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.7.tgz",
+      "integrity": "sha512-MWtvHrGZLFttgeEj28VXHxpmwYbor/ATPYbBfSFZEIRK0ecCFLl2Qo55z52Hss+UV9CRN7trSeq1zbgx7YDWWg==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
-        "@types/prop-types": "*",
         "csstype": "^3.2.2"
       }
     },
     "node_modules/@types/react-dom": {
-      "version": "18.3.7",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-18.3.7.tgz",
-      "integrity": "sha512-MEe3UeoENYVFXzoXEWsvcpg6ZvlrFNlOQ7EOsvhI3CfAXwzPfO8Qwuxd40nepsYKqyyVQnTdEfv68q91yLcKrQ==",
+      "version": "19.2.3",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.3.tgz",
+      "integrity": "sha512-jp2L/eY6fn+KgVVQAOqYItbF0VY/YApe5Mz2F0aykSO8gx31bYCZyvSeYxCHKvzHG5eZjc+zyaS5BrBWya2+kQ==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
-        "@types/react": "^18.0.0"
+        "@types/react": "^19.2.0"
       }
     },
     "node_modules/@types/resolve": {
@@ -6784,6 +6776,7 @@
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/js-yaml": {
@@ -7003,18 +6996,6 @@
       "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA==",
       "license": "Apache-2.0"
     },
-    "node_modules/loose-envify": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
-      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
-      "license": "MIT",
-      "dependencies": {
-        "js-tokens": "^3.0.0 || ^4.0.0"
-      },
-      "bin": {
-        "loose-envify": "cli.js"
-      }
-    },
     "node_modules/loupe": {
       "version": "2.3.7",
       "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
@@ -7860,28 +7841,24 @@
       }
     },
     "node_modules/react": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
-      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
+      "version": "19.2.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.1.tgz",
+      "integrity": "sha512-DGrYcCWK7tvYMnWh79yrPHt+vdx9tY+1gPZa7nJQtO/p8bLTDaHp4dzwEhQB7pZ4Xe3ok4XKuEPrVuc+wlpkmw==",
       "license": "MIT",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/react-dom": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
-      "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
+      "version": "19.2.1",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.1.tgz",
+      "integrity": "sha512-ibrK8llX2a4eOskq1mXKu/TGZj9qzomO+sNfO98M6d9zIPOEhlBkMkBUBLd1vgS0gQsLDBzA+8jJBVXDnfHmJg==",
       "license": "MIT",
       "dependencies": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.2"
+        "scheduler": "^0.27.0"
       },
       "peerDependencies": {
-        "react": "^18.3.1"
+        "react": "^19.2.1"
       }
     },
     "node_modules/react-is": {
@@ -8229,13 +8206,10 @@
       }
     },
     "node_modules/scheduler": {
-      "version": "0.23.2",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",
-      "integrity": "sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ==",
-      "license": "MIT",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "0.27.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
+      "integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
+      "license": "MIT"
     },
     "node_modules/semver": {
       "version": "6.3.1",
diff --git a/deep-time-app/package.json b/deep-time-app/package.json
index a2ef6b0..de0a835 100644
--- a/deep-time-app/package.json
+++ b/deep-time-app/package.json
@@ -16,16 +16,16 @@
     "@types/three": "^0.181.0",
     "deep-time-core": "file:..",
     "firebase": "^11.0.0",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.2.1",
+    "react-dom": "^19.2.1",
     "three": "^0.181.2",
     "webxr-polyfill": "^2.0.3",
     "zustand": "^5.0.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.13.0",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^4.3.3",
     "autoprefixer": "^10.4.20",
     "eslint": "^9.13.0",
diff --git a/deep-time-app/src/model-viewer.d.ts b/deep-time-app/src/model-viewer.d.ts
index ec1dcd3..5570969 100644
--- a/deep-time-app/src/model-viewer.d.ts
+++ b/deep-time-app/src/model-viewer.d.ts
@@ -2,17 +2,21 @@
  * Type declarations for model-viewer web component
  */
 
-declare namespace JSX {
-  interface IntrinsicElements {
-    'model-viewer': React.DetailedHTMLProps<React.HTMLAttributes<HTMLElement>, HTMLElement> & {
-      src?: string;
-      alt?: string;
-      ar?: boolean;
-      'ar-modes'?: string;
-      'camera-controls'?: boolean;
-      'touch-action'?: string;
-      'auto-rotate'?: boolean;
-      style?: React.CSSProperties;
-    };
+import 'react';
+
+declare module 'react' {
+  namespace JSX {
+    interface IntrinsicElements {
+      'model-viewer': React.DetailedHTMLProps<React.HTMLAttributes<HTMLElement>, HTMLElement> & {
+        src?: string;
+        alt?: string;
+        ar?: boolean;
+        'ar-modes'?: string;
+        'camera-controls'?: boolean;
+        'touch-action'?: string;
+        'auto-rotate'?: boolean;
+        style?: React.CSSProperties;
+      };
+    }
   }
 }