diff --git a/package.json b/package.json
index 02e16142..3266989a 100644
--- a/package.json
+++ b/package.json
@@ -125,7 +125,7 @@
     "react-test-renderer": "^15.5.4",
     "rimraf": "^2.6.0",
     "sass-loader": "^7.0.1",
-    "selenium-server-standalone-jar": "^3.12.0",
+    "selenium-server-standalone-jar": "3.12.0",
     "standard": "^11.0.1",
     "standard-loader": "^6.0.1",
     "style-loader": "^0.21.0",