diff --git a/package.json b/package.json
index 750a4d9..a63aa0a 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "karma-mocha": "^1.3.0",
     "karma-phantomjs-launcher": "^1.0.2",
     "karma-phantomjs-shim": "^1.4.0",
-    "karma-sinon-chai": "^1.3.1",
+    "karma-sinon-chai": "^2.0.1",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-spec-reporter": "0.0.32",
     "karma-webpack": "^3.0.0",