diff --git a/package.json b/package.json
index 78d98ef..d41083f 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
     "@types/glob": "^7.1.1",
     "@types/node": "^13.9.1",
     "@types/yargs": "^15.0.4",
-    "typescript": "^3.8.3"
+    "typescript": "^4.3.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 53d9dc2..61c54d4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -283,10 +283,10 @@ strip-ansi@^6.0.0:
   dependencies:
     ansi-regex "^5.0.0"
 
-typescript@^3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@^4.3.4:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.4.tgz#3f85b986945bcf31071decdd96cf8bfa65f9dcbc"
+  integrity sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==
 
 uglify-js@^3.1.4:
   version "3.8.0"