diff --git a/Gemfile.lock b/Gemfile.lock
index 92a0d40..636c3de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (5.0.1)
     racc (1.6.2)
-    rack (2.2.7)
+    rack (2.2.20)
     rack-protection (3.0.6)
       rack
     rack-test (2.1.0)