diff --git a/examples/react-router-ts/package-lock.json b/examples/react-router-ts/package-lock.json
index b0dc1aef5be..c7074697810 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": "8.50.0",
         "vite": "7.3.0",
         "vite-tsconfig-paths": "5.1.4"
@@ -4204,6 +4204,7 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.22.1.tgz",
       "integrity": "sha512-F2X8g9P1X7uCPZMA3MVf9wcTqlyNp7IhH5qPCI0izhaOIYXaW9L535tGA3qmjRzpH+bZczqq7hVKxTR4NWnu+g==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -7089,9 +7090,9 @@
       }
     },
     "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 327ec0c5e59..c52dcfaf058 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": "8.50.0",
     "vite": "7.3.0",
     "vite-tsconfig-paths": "5.1.4"
diff --git a/package.json b/package.json
index 8b82f478d84..453a778d7c9 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "postcss-nesting": "13.0.2",
     "prettier": "3.7.4",
     "rimraf": "6.1.2",
-    "typescript": "5.7.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.50.0",
     "vite": "7.3.0",
     "vite-plugin-istanbul": "7.2.1",
diff --git a/patterns/navigation-layout/package-lock.json b/patterns/navigation-layout/package-lock.json
index d1757516bc8..51630b2ad7b 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": "0.4.26",
         "globals": "16.5.0",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.50.0",
         "vite": "7.3.0"
       }
@@ -3222,9 +3222,9 @@
       }
     },
     "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 737cc1ac25f..bf0c5b13fbc 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": "0.4.26",
     "globals": "16.5.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.50.0",
     "vite": "7.3.0"
   }
diff --git a/templates/vite-ts/package-lock.json b/templates/vite-ts/package-lock.json
index 698c1f0726c..8fa8942ec5f 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": "0.4.26",
         "globals": "16.5.0",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.50.0",
         "vite": "7.3.0"
       }
@@ -5068,9 +5068,9 @@
       }
     },
     "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 7f89fa405f8..55babc29f37 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": "0.4.26",
     "globals": "16.5.0",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.50.0",
     "vite": "7.3.0"
   }
diff --git a/yarn.lock b/yarn.lock
index d3d4e20a876..e55b0bd0ee4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20323,7 +20323,17 @@ __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:
@@ -20343,7 +20353,17 @@ __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:
@@ -20448,7 +20468,7 @@ __metadata:
     rimraf: "npm:6.1.2"
     storybook: "npm:10.1.10"
     tocbot: "npm:4.36.4"
-    typescript: "npm:5.7.3"
+    typescript: "npm:5.9.3"
     typescript-eslint: "npm:8.50.0"
     vite: "npm:7.3.0"
     vite-plugin-istanbul: "npm:7.2.1"