diff --git a/Gemfile.lock b/Gemfile.lock
index df3351a06d..67a384626d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
       warden (~> 1.2.3)
     diff-lcs (1.3)
     docile (1.3.2)
-    domain_name (0.5.20170404)
+    domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
     erubis (2.7.0)
@@ -400,7 +400,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.2)
+    unf_ext (0.0.7.6)
     unicode_utils (1.4.0)
     validates_email_format_of (1.6.3)
       i18n