diff --git a/package.json b/package.json
index 5c54844..5bf6a56 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint-plugin-import": "^2.16.0",
     "fantasy-land": "^4.1.0",
     "istanbul": "^0.4.5",
-    "karma": "^4.0.0",
+    "karma": "^6.3.4",
     "karma-browserify": "^6.0.0",
     "karma-chai": "^0.1.0",
     "karma-firefox-launcher": "^1.1.0",