diff --git a/testapp/Gemfile.lock b/testapp/Gemfile.lock
index 70d09bb..eb611f6 100644
--- a/testapp/Gemfile.lock
+++ b/testapp/Gemfile.lock
@@ -159,7 +159,7 @@ GEM
     puma (4.3.7)
       nio4r (~> 2.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.3.1)