diff --git a/Dockerfile b/Dockerfile
index 3a905c4..44a7bc5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,4 +7,4 @@ RUN pip install -r requirements.txt
 
 COPY . .
 
-CMD ["gunicorn",  "main:app"]
+CMD ["gunicorn", "-b", ":3000",  "main:app"]