diff --git a/Gemfile.lock b/Gemfile.lock
index 70d3c95..7d15d64 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,6 +41,7 @@ GEM
       debugger-linecache (~> 1.2)
     coderay (1.0.8)
     columnize (0.9.0)
+    concurrent-ruby (1.1.10)
     debugger (1.6.8)
       columnize (>= 0.3.1)
       debugger-linecache (~> 1.2.0)
@@ -60,7 +61,8 @@ GEM
       guard (>= 1.1)
       rspec (~> 2.11)
     hike (1.2.1)
-    i18n (0.6.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     json (1.8.2)
     listen (0.5.3)