diff --git a/package-lock.json b/package-lock.json
index 8098b63..8801257 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12170,9 +12170,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "4.3.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.3.tgz",
-            "integrity": "sha512-rUvLW0WtF7PF2b9yenwWUi9Da9euvDRhmH7BLyBG4DCFfOJ850LGNknmRpp8Z8kXNUPObdZQEfKOiHtXuQHHKA==",
+            "version": "4.3.4",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
+            "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==",
             "dev": true
         },
         "umd": {
diff --git a/package.json b/package.json
index 512e03b..df81759 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
         "sass": "^1.35.1",
         "terser": "^5.7.0",
         "tsify": "^5.0.4",
-        "typescript": "^4.3.3",
+        "typescript": "^4.3.4",
         "vinyl-buffer": "^1.0.1",
         "vinyl-source-stream": "^2.0.0",
         "web-ext-types": "^3.2.1"