diff --git a/requirements.txt b/requirements.txt
index a4bae6a..953cac3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+gunicorn==23.0.0
 Django==3.2.10
 persian==0.5.0
 persiantools==2.2.0