diff --git a/package.json b/package.json
index a9350d5..db5f114 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "karma-jasmine": "^1.1.0",
     "karma-mocha-reporter": "^2.2.1",
     "karma-scss-preprocessor": "^3.0.0",
-    "karma-typescript": "^3.0.0",
+    "karma-typescript": "^4.0.0",
     "matchdep": "^2.0.0",
     "node-sass": "^4.1.1",
     "time-grunt": "^1.4.0",