diff --git a/package-lock.json b/package-lock.json
index 109f2a25..cc8a2de7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "eslint": "^9.26.0",
         "express": "^4.21.2",
         "globals": "^15.14.0",
-        "typescript": "~5.8.3",
+        "typescript": "~5.9.0",
         "typescript-eslint": "^8.26.0"
       }
     },
@@ -3440,9 +3440,9 @@
       }
     },
     "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",
       "bin": {
diff --git a/package.json b/package.json
index 44d88a41..e8a0d16b 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "eslint": "^9.26.0",
     "express": "^4.21.2",
     "globals": "^15.14.0",
-    "typescript": "~5.8.3",
+    "typescript": "~5.9.0",
     "typescript-eslint": "^8.26.0"
   },
   "dependencies": {