diff --git a/Gemfile.lock b/Gemfile.lock
index 77754c7..2eeca4e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.4)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-protection (2.0.8.1)
       rack
     rack-test (1.1.0)