diff --git a/apps/epp_proxy/priv/test_backend_app/Gemfile.lock b/apps/epp_proxy/priv/test_backend_app/Gemfile.lock
index 082e166..7c90236 100644
--- a/apps/epp_proxy/priv/test_backend_app/Gemfile.lock
+++ b/apps/epp_proxy/priv/test_backend_app/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     nio4r (2.4.0)
     puma (4.0.0)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-unreloader (1.7.0)
     roda (3.21.0)
       rack