diff --git a/src/Gemfile.lock b/src/Gemfile.lock
index 4a98d272..d34cea79 100644
--- a/src/Gemfile.lock
+++ b/src/Gemfile.lock
@@ -77,6 +77,7 @@ GEM
       sass (~> 3.1)
     compass-rails (1.0.3)
       compass (>= 0.12.2, < 0.14)
+    concurrent-ruby (1.1.10)
     crack (0.3.1)
     cucumber (1.2.0)
       builder (>= 2.1.2)
@@ -125,7 +126,8 @@ GEM
       haml (~> 3.1)
       railties (>= 3.1, < 4.1)
     hike (1.2.1)
-    i18n (0.6.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (2.2.1)
       railties (>= 3.0, < 5.0)