diff --git a/Gemfile.lock b/Gemfile.lock
index 9bd5c26..daaf3d1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.7.1)
-    rack (2.2.8)
+    rack (2.2.8.1)
     rack-protection (3.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-test (2.1.0)