diff --git a/Gemfile.lock b/Gemfile.lock
index ce69bc4..b80d800 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -218,7 +218,7 @@ GEM
       stringio
     public_suffix (5.0.4)
     racc (1.7.3)
-    rack (3.0.9)
+    rack (3.0.9.1)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)