diff --git a/Gemfile.lock b/Gemfile.lock
index 0e8b6df..ae14e15 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
     mocha (1.11.2)
     multipart-post (2.1.1)
     public_suffix (4.0.4)
-    rack (2.2.2)
+    rack (2.2.3)
     rake (13.0.1)
     safe_yaml (1.0.5)
     thread_safe (0.3.6)