diff --git a/rabbitmq_service/Gemfile.lock b/rabbitmq_service/Gemfile.lock
index 98ebb24..e6895c5 100644
--- a/rabbitmq_service/Gemfile.lock
+++ b/rabbitmq_service/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     minitest (5.11.3)
     multi_json (1.13.1)
     mustermann (1.0.3)
-    rack (2.0.6)
+    rack (2.1.1)
     rack-protection (2.0.4)
       rack
     sinatra (2.0.4)