diff --git a/fixture_rails_root/Gemfile.lock b/fixture_rails_root/Gemfile.lock
index a9d4b8a..aa2493f 100644
--- a/fixture_rails_root/Gemfile.lock
+++ b/fixture_rails_root/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     public_suffix (4.0.5)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.8)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)