diff --git a/package-lock.json b/package-lock.json
index ff40cfe..db57dee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -50,7 +50,7 @@
                 "sass": "^1.56.1",
                 "terser": "^5.15.1",
                 "tsify": "^5.0.4",
-                "typescript": "^4.8.4",
+                "typescript": "^4.9.3",
                 "vinyl-buffer": "^1.0.1",
                 "vinyl-source-stream": "^2.0.0",
                 "web-ext-types": "^3.2.1"
@@ -14188,9 +14188,9 @@
             "dev": true
         },
         "node_modules/typescript": {
-            "version": "4.8.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
-            "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
+            "version": "4.9.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+            "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
             "dev": true,
             "bin": {
                 "tsc": "bin/tsc",
@@ -25972,9 +25972,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "4.8.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
-            "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
+            "version": "4.9.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+            "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
             "dev": true
         },
         "umd": {
diff --git a/package.json b/package.json
index 2a65cc3..f92ac3c 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
         "sass": "^1.56.1",
         "terser": "^5.15.1",
         "tsify": "^5.0.4",
-        "typescript": "^4.8.4",
+        "typescript": "^4.9.3",
         "vinyl-buffer": "^1.0.1",
         "vinyl-source-stream": "^2.0.0",
         "web-ext-types": "^3.2.1"