diff --git a/Gemfile.lock b/Gemfile.lock
index 17ce2cb..95f39f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (6.0.1)
-    rack (3.1.8)
+    rack (3.1.16)
     rack-protection (4.1.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)