diff --git a/package-lock.json b/package-lock.json
index 73998af..5ee2785 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
                 "@vscode/vsce": "^2.26.0",
                 "esbuild": "^0.20.2",
                 "eslint": "^8.57.0",
-                "typescript": "^5.4.5"
+                "typescript": "^5.9.3"
             },
             "engines": {
                 "vscode": "^1.75.0"
@@ -4955,10 +4955,11 @@
             }
         },
         "node_modules/typescript": {
-            "version": "5.4.5",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-            "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+            "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/package.json b/package.json
index 847adc2..011e3ae 100644
--- a/package.json
+++ b/package.json
@@ -167,7 +167,7 @@
         "@vscode/vsce": "^2.26.0",
         "esbuild": "^0.20.2",
         "eslint": "^8.57.0",
-        "typescript": "^5.4.5"
+        "typescript": "^5.9.3"
     },
     "dependencies": {
         "async-mutex": "^0.5.0",