diff --git a/spec/dummy_app/Gemfile.lock b/spec/dummy_app/Gemfile.lock
index da87361..6772acf 100644
--- a/spec/dummy_app/Gemfile.lock
+++ b/spec/dummy_app/Gemfile.lock
@@ -130,7 +130,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.13.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.5)