diff --git a/package.json b/package.json
index 570cbe1..751d2a9 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
   },
   "peerDependencies": {
     "grunt": ">=0.4.x || ^1.0.0",
-    "karma": "^0.13.0 || ^1.0.0"
+    "karma": "^3.0.0"
   },
   "contributors": [
     "Dave Geddes <davidcgeddes@gmail.com>",