diff --git a/Gemfile.lock b/Gemfile.lock
index 67575c4d1..8a15371aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -325,7 +325,7 @@ GEM
       rails-i18n
       rainbow (>= 2.2.2, < 4.0)
       terminal-table (>= 1.5.1)
-    idn-ruby (0.1.4)
+    idn-ruby (0.1.5)
     ipaddress (0.8.3)
     jmespath (1.6.1)
     json (2.6.2)