diff --git a/examples/react-router-ts/package-lock.json b/examples/react-router-ts/package-lock.json
index 07be9c3df4e..2baad921024 100644
--- a/examples/react-router-ts/package-lock.json
+++ b/examples/react-router-ts/package-lock.json
@@ -29,7 +29,7 @@
         "eslint-plugin-react": "7.37.5",
         "eslint-plugin-react-hooks": "6.1.1",
         "globals": "16.5.0",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.46.2",
         "vite": "7.1.12",
         "vite-tsconfig-paths": "5.1.4"
@@ -4557,6 +4557,7 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
       "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -8067,9 +8068,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
       "license": "Apache-2.0",
       "peer": true,
diff --git a/examples/react-router-ts/package.json b/examples/react-router-ts/package.json
index 9fb002e52f5..4d3d2264750 100644
--- a/examples/react-router-ts/package.json
+++ b/examples/react-router-ts/package.json
@@ -34,7 +34,7 @@
     "eslint-plugin-react": "7.37.5",
     "eslint-plugin-react-hooks": "6.1.1",
     "globals": "16.5.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.46.2",
     "vite": "7.1.12",
     "vite-tsconfig-paths": "5.1.4"
diff --git a/package.json b/package.json
index beff56038c3..3f9dd99a61a 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "postcss-nesting": "13.0.2",
     "prettier": "3.6.2",
     "rimraf": "6.0.1",
-    "typescript": "5.7.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.44.1",
     "vite": "7.1.12",
     "vite-plugin-istanbul": "7.2.0",
diff --git a/patterns/navigation-layout/package-lock.json b/patterns/navigation-layout/package-lock.json
index a3dd87fcf86..e0f52f5251d 100644
--- a/patterns/navigation-layout/package-lock.json
+++ b/patterns/navigation-layout/package-lock.json
@@ -24,7 +24,7 @@
         "eslint-plugin-react-hooks": "6.1.1",
         "eslint-plugin-react-refresh": "0.4.24",
         "globals": "16.5.0",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.46.2",
         "vite": "7.1.12"
       }
@@ -3667,9 +3667,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "peer": true,
diff --git a/patterns/navigation-layout/package.json b/patterns/navigation-layout/package.json
index e63e55ffd93..9f60357a746 100644
--- a/patterns/navigation-layout/package.json
+++ b/patterns/navigation-layout/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-react-hooks": "6.1.1",
     "eslint-plugin-react-refresh": "0.4.24",
     "globals": "16.5.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.46.2",
     "vite": "7.1.12"
   }
diff --git a/templates/vite-ts/package-lock.json b/templates/vite-ts/package-lock.json
index 5bd744262cb..440d36a644d 100644
--- a/templates/vite-ts/package-lock.json
+++ b/templates/vite-ts/package-lock.json
@@ -26,7 +26,7 @@
         "eslint-plugin-react-hooks": "6.1.1",
         "eslint-plugin-react-refresh": "0.4.24",
         "globals": "16.5.0",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.46.2",
         "vite": "7.1.12"
       }
@@ -5555,9 +5555,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "peer": true,
diff --git a/templates/vite-ts/package.json b/templates/vite-ts/package.json
index b4c449f11d0..ebc1718f1d5 100644
--- a/templates/vite-ts/package.json
+++ b/templates/vite-ts/package.json
@@ -30,7 +30,7 @@
     "eslint-plugin-react-hooks": "6.1.1",
     "eslint-plugin-react-refresh": "0.4.24",
     "globals": "16.5.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.46.2",
     "vite": "7.1.12"
   }
diff --git a/yarn.lock b/yarn.lock
index 4a3c4fc50e3..171ff94f7fb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20814,7 +20814,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.7.3, typescript@npm:>=3 < 6":
+"typescript@npm:5.9.3":
+  version: 5.9.3
+  resolution: "typescript@npm:5.9.3"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 10c0/6bd7552ce39f97e711db5aa048f6f9995b53f1c52f7d8667c1abdc1700c68a76a308f579cd309ce6b53646deb4e9a1be7c813a93baaf0a28ccd536a30270e1c5
+  languageName: node
+  linkType: hard
+
+"typescript@npm:>=3 < 6":
   version: 5.7.3
   resolution: "typescript@npm:5.7.3"
   bin:
@@ -20834,7 +20844,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A5.7.3#optional!builtin<compat/typescript>, typescript@patch:typescript@npm%3A>=3 < 6#optional!builtin<compat/typescript>":
+"typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>":
+  version: 5.9.3
+  resolution: "typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>::version=5.9.3&hash=5786d5"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 10c0/ad09fdf7a756814dce65bc60c1657b40d44451346858eea230e10f2e95a289d9183b6e32e5c11e95acc0ccc214b4f36289dcad4bf1886b0adb84d711d336a430
+  languageName: node
+  linkType: hard
+
+"typescript@patch:typescript@npm%3A>=3 < 6#optional!builtin<compat/typescript>":
   version: 5.7.3
   resolution: "typescript@patch:typescript@npm%3A5.7.3#optional!builtin<compat/typescript>::version=5.7.3&hash=5786d5"
   bin:
@@ -20939,7 +20959,7 @@ __metadata:
     rimraf: "npm:6.0.1"
     storybook: "npm:9.1.16"
     tocbot: "npm:4.36.4"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.9.3"
     typescript-eslint: "npm:8.44.1"
     vite: "npm:7.1.12"
     vite-plugin-istanbul: "npm:7.2.0"