diff --git a/Gemfile.lock b/Gemfile.lock
index 85165b9a..d61875b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,6 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    childprocess (3.0.0)
     climate_control (0.2.0)
     codecov (0.6.0)
       simplecov (>= 0.15, < 0.22)
@@ -292,9 +291,10 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.142.7)
-      childprocess (>= 0.5, < 4.0)
-      rubyzip (>= 1.2.2)
+    selenium-webdriver (4.8.1)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
     sentry-rails (5.4.1)
       railties (>= 5.0)
       sentry-ruby (~> 5.4.1)
@@ -340,6 +340,7 @@ GEM
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
+    websocket (1.2.9)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)