diff --git a/Gemfile.lock b/Gemfile.lock
index 48bb637..3e888d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,6 +27,7 @@ GEM
       tzinfo (~> 0.3.37)
     arel (4.0.2)
     builder (3.1.4)
+    concurrent-ruby (1.1.10)
     erubis (2.7.0)
     geokit (1.8.4)
       multi_json (>= 1.3.2)
@@ -35,7 +36,8 @@ GEM
       rails (>= 3.0)
     hike (1.2.3)
     htmlentities (4.3.1)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)