diff --git a/Gemfile.lock b/Gemfile.lock
index 46207e9..7c1f67d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,6 +48,7 @@ GEM
     childprocess (0.3.5)
       ffi (~> 1.0, >= 1.0.6)
     coderay (1.0.7)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.1.3)
     erubis (2.7.0)
     factory_girl (4.0.0)
@@ -65,7 +66,8 @@ GEM
       guard (>= 1.1)
       spork (>= 0.8.4)
     hike (1.2.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (2.0.2)
       railties (>= 3.2.0, < 5.0)