diff --git a/client/package-lock.json b/client/package-lock.json
index ab4e0d7..c43b46f 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -31,7 +31,7 @@
         "eslint-plugin-prettier": "^5.1.3",
         "mocha": "^10.6.0",
         "ts-mocha": "^10.0.0",
-        "typescript": "5.3.3",
+        "typescript": "5.9.3",
         "vscode-test": "^1.6.1"
       },
       "engines": {
@@ -4540,10 +4540,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "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",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/client/package.json b/client/package.json
index a87a257..0c17433 100644
--- a/client/package.json
+++ b/client/package.json
@@ -47,7 +47,7 @@
     "eslint-plugin-prettier": "^5.1.3",
     "mocha": "^10.6.0",
     "ts-mocha": "^10.0.0",
-    "typescript": "5.3.3",
+    "typescript": "5.9.3",
     "vscode-test": "^1.6.1"
   }
 }
\ No newline at end of file