diff --git a/Gemfile.lock b/Gemfile.lock
index 15a50d2e0..329feb37e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -191,7 +191,7 @@ GEM
       factory_girl (~> 4.7)
     diff-lcs (1.2.5)
     docile (1.1.5)
-    domain_name (0.5.20160310)
+    domain_name (0.5.20160615)
       unf (>= 0.0.5, < 1.0.0)
     eco (1.0.0)
       coffee-script