diff --git a/Gemfile.lock b/Gemfile.lock
index c405747..faa57db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,9 @@ GEM
     capistrano-passenger (0.0.1)
       capistrano (~> 3.0)
     colorize (0.7.3)
-    i18n (0.6.11)
+    concurrent-ruby (1.1.10)
+    i18n (1.10.0)
+      concurrent-ruby (~> 1.0)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (2.9.1)