diff --git a/Gemfile.lock b/Gemfile.lock
index 8ccc13e..8073780 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -200,7 +200,7 @@ GEM
     public_suffix (4.0.3)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-test (1.1.0)