diff --git a/package-lock.json b/package-lock.json
index a91846c..8f86343 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14784,9 +14784,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "4.1.4",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.4.tgz",
-            "integrity": "sha512-+Uru0t8qIRgjuCpiSPpfGuhHecMllk5Zsazj5LZvVsEStEjmIRRBZe+jHjGQvsgS7M1wONy2PQXd67EMyV6acg==",
+            "version": "4.1.5",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+            "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
             "dev": true
         },
         "umd": {
diff --git a/package.json b/package.json
index 7616c2e..15fdae5 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
         "sass": "^1.32.7",
         "terser": "^5.5.1",
         "tsify": "^5.0.2",
-        "typescript": "^4.1.4",
+        "typescript": "^4.1.5",
         "vinyl-buffer": "^1.0.1",
         "vinyl-source-stream": "^2.0.0",
         "web-ext-types": "^3.2.1"