diff --git a/package-lock.json b/package-lock.json
index 4dbddac..bf097b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "nyc": "^15.1",
         "source-map-support": "^0.5",
         "ts-node": "^10.9",
-        "typescript": "^5.8"
+        "typescript": "^5.9"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -3268,11 +3268,10 @@
       }
     },
     "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": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
-      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -5975,9 +5974,9 @@
       }
     },
     "typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index d5a00ea..9f75699 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "nyc": "^15.1",
     "source-map-support": "^0.5",
     "ts-node": "^10.9",
-    "typescript": "^5.8"
+    "typescript": "^5.9"
   },
   "scripts": {
     "grpc": "bin/npm-post-install.sh",