diff --git a/requirements.txt b/requirements.txt
index 19a7b914..2f99b9b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ wrapt==1.11.1
 xlrd==1.2.0
 xlwt==1.3.0
 mysql==0.0.2
-gunicorn==0.17.2
+gunicorn==19.5.0
 Flask==1.1.1
 psycopg2==2.8.3
 python-docx