diff --git a/examples/rails/Gemfile.lock b/examples/rails/Gemfile.lock
index a0d99c3..6687b0f 100644
--- a/examples/rails/Gemfile.lock
+++ b/examples/rails/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
     public_suffix (4.0.3)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.2.2)