diff --git a/server/package-lock.json b/server/package-lock.json
index 78e35f6..39dfbbc 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -18,7 +18,7 @@
         "drizzle-kit": "^0.31.0",
         "socket.io-client": "^4.8.1",
         "tsx": "^4.19.2",
-        "typescript": "^5.7.2",
+        "typescript": "^6.0.0",
         "vitest": "^4.0.0"
       }
     },
@@ -3888,9 +3888,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/server/package.json b/server/package.json
index 09634e4..bc62aaf 100644
--- a/server/package.json
+++ b/server/package.json
@@ -23,7 +23,7 @@
     "drizzle-kit": "^0.31.0",
     "socket.io-client": "^4.8.1",
     "tsx": "^4.19.2",
-    "typescript": "^5.7.2",
+    "typescript": "^6.0.0",
     "vitest": "^4.0.0"
   }
 }
diff --git a/web/package-lock.json b/web/package-lock.json
index be21197..9e698b7 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -18,7 +18,7 @@
         "@types/react": "^19.0.0",
         "@types/react-dom": "^19.0.0",
         "@vitejs/plugin-react": "^6.0.0",
-        "typescript": "^5.7.2",
+        "typescript": "^6.0.0",
         "vite": "^8.0.0"
       }
     },
@@ -1099,9 +1099,9 @@
       "license": "0BSD"
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/web/package.json b/web/package.json
index 4a72a38..17a3c92 100644
--- a/web/package.json
+++ b/web/package.json
@@ -20,7 +20,7 @@
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@vitejs/plugin-react": "^6.0.0",
-    "typescript": "^5.7.2",
+    "typescript": "^6.0.0",
     "vite": "^8.0.0"
   }
 }
diff --git a/web/src/vite-env.d.ts b/web/src/vite-env.d.ts
new file mode 100644
index 0000000..11f02fe
--- /dev/null
+++ b/web/src/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />