diff --git a/Gemfile.lock b/Gemfile.lock
index ff0249f..3503f89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-protection (2.2.0)
       rack
     rack-test (1.1.0)