diff --git a/test/apps/rails5.2/Gemfile.lock b/test/apps/rails5.2/Gemfile.lock
index 087073bbd3..5f6a0c173a 100644
--- a/test/apps/rails5.2/Gemfile.lock
+++ b/test/apps/rails5.2/Gemfile.lock
@@ -103,7 +103,7 @@ GEM
       mini_portile2 (~> 2.3.0)
     public_suffix (3.0.1)
     puma (3.11.0)
-    rack (2.0.3)
+    rack (2.2.6.2)
     rack-test (0.8.2)
       rack (>= 1.0, < 3)
     rails (5.2.0.beta2)