diff --git a/Gemfile.lock b/Gemfile.lock
index adead94..0e4ac7f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,8 +87,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
-    childprocess (1.0.1)
-      rake (< 13.0)
+    childprocess (3.0.0)
     cocoon (1.2.14)
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
@@ -195,7 +194,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.3)
+    rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -226,9 +225,9 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.142.3)
-      childprocess (>= 0.5, < 2.0)
-      rubyzip (~> 1.2, >= 1.2.2)
+    selenium-webdriver (3.142.6)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)