diff --git a/Gemfile.lock b/Gemfile.lock
index a4924d0..ec37bc4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,6 +37,7 @@ GEM
     arel (3.0.3)
     builder (3.0.4)
     columnize (0.3.6)
+    concurrent-ruby (1.1.10)
     debugger (1.6.3)
       columnize (>= 0.3.1)
       debugger-linecache (~> 1.2.0)
@@ -46,7 +47,8 @@ GEM
     diff-lcs (1.2.5)
     erubis (2.7.0)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)