diff --git a/play-with-docker/Portus/Gemfile b/play-with-docker/Portus/Gemfile
index e23be3343..9c36678d4 100644
--- a/play-with-docker/Portus/Gemfile
+++ b/play-with-docker/Portus/Gemfile
@@ -52,7 +52,7 @@ def packaging?
 end
 
 # If the deployment is done through Puma, include it in the bundle.
-gem "puma", "~> 3.7.0" if ENV["PORTUS_PUMA_DEPLOYMENT"] == "yes" || !packaging?
+gem "puma", "~> 5.6.9"
 
 # In order to create the Gemfile.lock required for packaging
 # meaning that it should contain only the production packages