diff --git a/dummy/rails-5.2/Gemfile.lock b/dummy/rails-5.2/Gemfile.lock
index 7f97016..99362cf 100644
--- a/dummy/rails-5.2/Gemfile.lock
+++ b/dummy/rails-5.2/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     public_suffix (3.0.3)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.2)