diff --git a/examples/Gemfile.lock b/examples/Gemfile.lock
index 1d4d413..1d2e702 100644
--- a/examples/Gemfile.lock
+++ b/examples/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
       expgen (~> 0.1)
       term-ansicolor (~> 1.0)
     parslet (2.0.0)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rack-protection (2.2.0)
       rack
     rack-proxy (0.7.2)