diff --git a/Gemfile.lock b/Gemfile.lock
index 89abd50e9..6bcc92662 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -287,7 +287,7 @@ GEM
       rails-i18n
       rainbow (>= 2.2.2, < 4.0)
       terminal-table (>= 1.5.1)
-    idn-ruby (0.1.2)
+    idn-ruby (0.1.4)
     ipaddress (0.8.3)
     iso-639 (0.3.5)
     jmespath (1.4.0)