diff --git a/package-lock.json b/package-lock.json
index a6d5b6d496f5..499f8c2ee994 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10699,9 +10699,9 @@
       }
     },
     "typescript": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz",
-      "integrity": "sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true
     },
     "ua-parser-js": {
diff --git a/package.json b/package.json
index b05ec1286b9d..61eff064cc63 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "ts-jest": "26.4.4",
     "ts-node": "9.0.0",
     "tsconfig-paths": "3.9.0",
-    "typescript": "4.0.5",
+    "typescript": "4.9.4",
     "web-ext": "5.3.0",
     "ws": "7.4.0",
     "yazl": "2.5.1"