diff --git a/Gemfile.lock b/Gemfile.lock
index bd637c8..327a31d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -247,7 +247,7 @@ GEM
     parallel (1.25.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (5.1.1)
     racc (1.8.0)
     rainbow (3.1.1)
     rake (13.2.1)