diff --git a/requirements.txt b/requirements.txt
index c5965ea..8279ce7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ WTForms==2.2.1
 bcrypt==3.1.7
 flask-brcypt==0.7.1
 flask-login==0.5.0
-gunicorn==0.0.0
+gunicorn==19.5.0
 Werkzeug==0.16.1
 pytest==5.4.0
 pytest-cov==2.8.1