diff --git a/Procfile b/Procfile
index 84cab0c9..8b9e764c 100644
--- a/Procfile
+++ b/Procfile
@@ -1,2 +1,2 @@
-web: bundle exec puma -C config/puma.rb
+web: bundle exec rails server -b 0.0.0.0
 worker: bundle exec rails jobs:work
diff --git a/config/puma.rb b/config/puma.rb
index fa11fb8f..9886e1e5 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -21,7 +21,7 @@ environment ENV.fetch("RAILS_ENV") { "development" }
 # Workers do not work on JRuby or Windows (both of which do not support
 # processes).
 #
-workers ENV.fetch("WEB_CONCURRENCY") { 2 }
+workers ENV.fetch("WEB_CONCURRENCY") { 1 }
 
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code