diff --git a/Gemfile.lock b/Gemfile.lock
index 8a1b45b..8765854 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     bundler-audit (0.5.0)
       bundler (~> 1.2)
       thor (~> 0.18)
-    capybara (2.11.0)
+    capybara (2.12.0)
       addressable
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -180,7 +180,7 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    poltergeist (1.12.0)
+    poltergeist (1.13.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
@@ -308,7 +308,7 @@ GEM
     unicorn (5.2.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
-    websocket-driver (0.6.4)
+    websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
     xpath (2.0.0)
@@ -363,4 +363,4 @@ RUBY VERSION
    ruby 2.3.3p222
 
 BUNDLED WITH
-   1.14.0
+   1.14.1