diff --git a/Gemfile.lock b/Gemfile.lock
index cea322b..8cfced3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,7 @@ GEM
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     awesome_print (1.9.2)
+    base64 (0.2.0)
     bcrypt (3.1.19)
     bindex (0.8.1)
     bootsnap (1.15.0)
@@ -257,7 +258,8 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (4.12.0)
+    selenium-webdriver (4.20.1)
+      base64 (~> 0.2)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
@@ -299,7 +301,7 @@ GEM
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
       selenium-webdriver (~> 4.0)
-    websocket (1.2.9)
+    websocket (1.2.10)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)