diff --git a/requirements-all.txt b/requirements-all.txt
index 4bab14c..e2d5a80 100644
--- a/requirements-all.txt
+++ b/requirements-all.txt
@@ -14,7 +14,7 @@ google-auth==1.28.0
 google-auth-oauthlib==0.4.4
 greenlet==1.1.2
 gspread==3.7.0
-gunicorn==20.1.0
+gunicorn==22.0.0
 httplib2==0.19.1
 oauth2client==4.1.3
 oauthlib==3.1.0