diff --git a/package.json b/package.json
index 962e705..d944bad 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "karma-coverage": "^1.1.1",
     "karma-firefox-launcher": "^1.0.0",
     "karma-jasmine": "^1.0.2",
-    "karma-jasmine-matchers": "^3.0.1",
+    "karma-jasmine-matchers": "^4.0.1",
     "karma-safari-launcher": "^1.0.0",
     "karma-sauce-launcher": "^1.0.0",
     "karma-spec-reporter": "0.0.31",