diff --git a/package-lock.json b/package-lock.json
index f02f894c..cdd6294a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "mocha": "^10.4.0",
         "prettier": "^3.2.5",
         "ts-loader": "^9.5.1",
-        "typescript": "^5.4.5",
+        "typescript": "^5.6.3",
         "vscode-extension-tester": "^8.3.0",
         "vscode-tmgrammar-test": "^0.1.3",
         "webpack": "^5.94.0",
@@ -8074,9 +8074,9 @@
       }
     },
     "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": "5.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -14941,9 +14941,9 @@
       }
     },
     "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": "5.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "dev": true
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index 4f9a9020..4d9d0d85 100644
--- a/package.json
+++ b/package.json
@@ -767,7 +767,7 @@
     "mocha": "^10.4.0",
     "prettier": "^3.2.5",
     "ts-loader": "^9.5.1",
-    "typescript": "^5.4.5",
+    "typescript": "^5.6.3",
     "vscode-extension-tester": "^8.3.0",
     "vscode-tmgrammar-test": "^0.1.3",
     "webpack": "^5.94.0",