diff --git a/requirements.txt b/requirements.txt
index 82a17eec..37ea4f8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,5 @@ numpy
 Pillow
 RPi.GPIO
 
+gunicorn
 sphinxcontrib-httpdomain
\ No newline at end of file