diff --git a/Gemfile.lock b/Gemfile.lock
index ea80102..2e4b8a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,6 +45,7 @@ GEM
     arel (6.0.0)
     bcrypt (3.1.9)
     builder (3.2.2)
+    concurrent-ruby (1.1.10)
     devise (3.2.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -55,7 +56,8 @@ GEM
     globalid (0.3.0)
       activesupport (>= 4.1.0)
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.1)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)