diff --git a/Gemfile.lock b/Gemfile.lock
index 5155321313b..e6878950cac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.3)
     rack (2.2.8)
     rack-protection (3.1.0)