diff --git a/example/docker-compose.yml b/example/docker-compose.yml
index 856a062bcac1b5b1fd95657c51a136e3c365788a..bc79d4478a5dc14c747747ee31abd1f96bcc5254 100644
--- a/example/docker-compose.yml
+++ b/example/docker-compose.yml
@@ -20,7 +20,7 @@ services:
         "/bin/bash",
         "--login",
         "-c",
-        "gunicorn itk_demo_optoboard.api.wsgi:app --bind 0.0.0.0:5009 --timeout 600 --workers=1"
+        "gunicorn itk_demo_optoboard.api.wsgi:app --bind 0.0.0.0:5009 --timeout 600 --workers=4"
       ]
     depends_on:
       - worker