diff --git a/package-lock.json b/package-lock.json
index 89f12491a4..8cf91b32cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4055,9 +4055,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "4.9.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
+      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
       "dev": true
     },
     "ua-parser-js": {
diff --git a/package.json b/package.json
index 7a1b270835..d8d483391a 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "rollup-plugin-terser": "^7.0.2",
     "serve": "^12.0.1",
     "sniffy-mimetype": "^1.1.1",
-    "typescript": "^4.4.4",
+    "typescript": "^4.9.5",
     "vnu-jar": "^21.10.12",
     "webidl2": "^24.1.2"
   },