diff --git a/Makefile b/Makefile
index be476bb..1471e73 100644
--- a/Makefile
+++ b/Makefile
@@ -12,4 +12,5 @@ local:
 	@.venv/bin/python octomode.py
 
 action:
+	@if [ ! ".venv/bin/gunicorn" ]; .venv/bin/pip install gunicorn; fi
 	@SCRIPT_NAME=${OCTOMODE_APPLICATION_ROOT} .venv/bin/gunicorn -b localhost:${OCTOMODE_PORTNUMBER} --reload octomode:APP