diff --git a/Gemfile.lock b/Gemfile.lock
index b5bd95a..c8ca891 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
       ipaddr
     puma (4.3.11)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-contrib (2.1.0)
       rack (~> 2.0)
     rack-protection (2.0.7)