diff --git a/package.json b/package.json
index c3550d623..422be7bc1 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "karma": "^6.3.2",
     "karma-chai": "^0.1.0",
     "chai": "*",
-    "karma-firefox-launcher": "^1.0.0",
+    "karma-firefox-launcher": "^2.1.0",
     "karma-mocha": "^2.0.1",
     "load-grunt-tasks": "^3.3.0",
     "mocha": "^8.3.2",