diff --git a/Gemfile.lock b/Gemfile.lock
index e3d5be0..bc43cc9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.8.1)
-    rack (3.1.8)
+    rack (3.1.9)
     rack-test (2.2.0)
       rack (>= 1.3)
     rainbow (3.1.1)