diff --git a/Gemfile.lock b/Gemfile.lock
index a03ea38..d4ffd60 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       thread_safe (~> 0.1)
       warden (~> 1.2.3)
     docile (1.1.5)
-    domain_name (0.5.24)
+    domain_name (0.5.25)
       unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (2.6.0)