diff --git a/Gemfile.lock b/Gemfile.lock
index 05e5870..679be8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,6 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    childprocess (3.0.0)
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
       railties (>= 5.2.0)
@@ -186,6 +185,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.1.1)
+    rexml (3.2.5)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.1)
@@ -204,7 +204,7 @@ GEM
       rspec-support (~> 3.10)
     rspec-support (3.10.2)
     ruby2_keywords (0.0.5)
-    rubyzip (2.3.0)
+    rubyzip (2.3.2)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.2.1)
@@ -215,9 +215,10 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.142.7)
-      childprocess (>= 0.5, < 4.0)
-      rubyzip (>= 1.2.2)
+    selenium-webdriver (4.10.0)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
     semantic_range (3.0.0)
     shoulda-matchers (5.0.0)
       activesupport (>= 5.2.0)
@@ -256,6 +257,7 @@ GEM
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
       semantic_range (>= 2.3.0)
+    websocket (1.2.9)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)