diff --git a/package.json b/package.json
index 35798806c..e89d57648 100644
--- a/package.json
+++ b/package.json
@@ -444,7 +444,7 @@
     "husky": "^0.14.3",
     "jasmine-core": "^3.4.0",
     "karma-browserify": "^6.0.0",
-    "karma-browserstack-launcher": "^1.5.1",
+    "karma-browserstack-launcher": "^1.4.0",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "*",