diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index f162b8d97..735e5e659 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -136,7 +136,7 @@
         "ts-json-schema-generator": "^2.1.1",
         "ts-node": "^10.9.2",
         "ts-unused-exports": "^10.1.0",
-        "typescript": "^5.0.2",
+        "typescript": "^5.5.4",
         "vite": "^5.2.11",
         "vite-node": "^1.5.3"
       },
@@ -24596,9 +24596,9 @@
       }
     },
     "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": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index b1b3df54a..5a5cdbb45 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2093,7 +2093,7 @@
     "ts-json-schema-generator": "^2.1.1",
     "ts-node": "^10.9.2",
     "ts-unused-exports": "^10.1.0",
-    "typescript": "^5.0.2",
+    "typescript": "^5.5.4",
     "vite": "^5.2.11",
     "vite-node": "^1.5.3"
   },