diff --git a/Gemfile.lock b/Gemfile.lock
index 38850b7..62d174b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,6 +13,7 @@ GEM
     bson (4.0.4)
     builder (3.2.2)
     coderay (1.1.1)
+    concurrent-ruby (1.1.10)
     daemons (1.2.3)
     diff-lcs (1.2.5)
     eventmachine (1.2.0.1)
@@ -36,7 +37,8 @@ GEM
       ffi
       guard (~> 2.3)
       spoon
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.3)
     libnotify (0.9.1)
       ffi (>= 1.0.11)