diff --git a/example_app/Gemfile.lock b/example_app/Gemfile.lock
index 0ffbabf..a977a60 100644
--- a/example_app/Gemfile.lock
+++ b/example_app/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-flash3 (1.0.5)
       rack
     rack-protection (2.0.2)