diff --git a/Gemfile.lock b/Gemfile.lock
index dc6014f..39e1129 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,11 +96,10 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    capybara-lockstep (2.2.3)
+    capybara-lockstep (2.3.0)
       activesupport (>= 4.2)
       capybara (>= 3.0)
       ruby2_keywords
-      selenium-webdriver (>= 4.0)
     childprocess (5.1.0)
       logger (~> 1.5)
     concurrent-ruby (1.3.5)
@@ -276,7 +275,7 @@ GEM
     regexp_parser (2.11.2)
     reline (0.6.2)
       io-console (~> 0.5)
-    rexml (3.4.3)
+    rexml (3.4.4)
     rspec-core (3.13.5)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)