diff --git a/Gemfile b/Gemfile
index 79c8ea875b..2c04704608 100644
--- a/Gemfile
+++ b/Gemfile
@@ -31,7 +31,7 @@ group :test do
   gem "database_cleaner"
   gem "formulaic"
   gem "launchy"
-  gem "selenium-webdriver"
+  gem "selenium-webdriver", "= 4.9.0"
   gem "shoulda-matchers"
   gem "timecop"
   gem "webdrivers"
diff --git a/Gemfile.lock b/Gemfile.lock
index df23126e3a..c30a4be5ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -289,7 +289,7 @@ GEM
       sprockets-rails
       tilt
     selectize-rails (0.12.6)
-    selenium-webdriver (4.9.1)
+    selenium-webdriver (4.9.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
@@ -363,7 +363,7 @@ DEPENDENCIES
   pundit
   rack-timeout
   redcarpet
-  selenium-webdriver
+  selenium-webdriver (= 4.9.0)
   sentry-raven
   shoulda-matchers
   timecop