diff --git a/Gemfile.lock b/Gemfile.lock
index 1e64dc76..ae9e82a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -401,7 +401,7 @@ GEM
       webrick
     psych (5.1.2)
       stringio
-    public_suffix (6.0.0)
+    public_suffix (6.0.1)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.8.0)