diff --git a/sinatra/Gemfile.lock b/sinatra/Gemfile.lock
index 6764747..35532ce 100644
--- a/sinatra/Gemfile.lock
+++ b/sinatra/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.12)
+    rack (3.1.16)
     rack-protection (4.1.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)