diff --git a/package.json b/package.json
index 3bcdc242..d1753273 100644
--- a/package.json
+++ b/package.json
@@ -38,10 +38,10 @@
     "browserify": "^16.2.3",
     "coveralls": "^3.0.2",
     "istanbul": "^0.4.5",
-    "karma": "^3.1.4",
+    "karma": "^6.3.5",
     "karma-browserify": "^6.0.0",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-mocha": "^1.3.0",
+    "karma-mocha": "^2.0.0",
     "mocha": "^5.2.0",
     "mocha-lcov-reporter": "^1.2.0",
     "xo": "^0.23.0"