diff --git a/Gemfile.lock b/Gemfile.lock
index b0741fc..48d2b66 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,7 +196,7 @@ GEM
     popper_js (2.11.8)
     psych (5.1.1.1)
       stringio
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.3)