diff --git a/package-lock.json b/package-lock.json
index 95d5507..6010d07 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,7 +36,7 @@
         "prettier": "^3.6.2",
         "ts-jest": "^29.4.5",
         "ts-node": "^10.9.1",
-        "typescript": "^5.5.4"
+        "typescript": "^5.9.3"
       },
       "engines": {
         "node": ">=18.18.0 || >=20.9.0"
@@ -8396,9 +8396,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "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/package.json b/package.json
index c03b790..c231f51 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "prettier": "^3.6.2",
     "ts-jest": "^29.4.5",
     "ts-node": "^10.9.1",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   },
   "dependencies": {
     "@google-cloud/local-auth": "^3.0.0",