diff --git a/Gemfile.lock b/Gemfile.lock
index 370a86b..3a60ac9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,6 +38,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.3.3)
+    concurrent-ruby (1.1.10)
     daemons (1.1.8)
     delayed_job (3.0.3)
       activesupport (~> 3.0)
@@ -53,7 +54,8 @@ GEM
     extendmatrix (0.3.1)
     fastercsv (1.5.5)
     hike (1.2.3)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (2.0.2)
       railties (>= 3.2.0, < 5.0)