diff --git a/Gemfile.lock b/Gemfile.lock
index 1ccacd1..af38efc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,6 +48,7 @@ GEM
       execjs
     coffee-script-source (1.7.0)
     columnize (0.8.9)
+    concurrent-ruby (1.1.10)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
     cucumber (2.3.2)
@@ -106,7 +107,8 @@ GEM
       railties (>= 4.0.1)
     highline (1.6.21)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.0.7)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
@@ -255,4 +257,4 @@ DEPENDENCIES
   vcr
   webmock
   webrat
-  zeroclipboard-rails (~> 0.0.13)
\ No newline at end of file
+  zeroclipboard-rails (~> 0.0.13)