diff --git a/document-processor/requirements.txt b/document-processor/requirements.txt
index a8a0153..9127af1 100644
--- a/document-processor/requirements.txt
+++ b/document-processor/requirements.txt
@@ -35,7 +35,7 @@ frozenlist==1.3.3
 future==0.18.3
 grapheme==0.6.0
 greenlet==2.0.2
-gunicorn==20.1.0
+gunicorn==23.0.0
 h11==0.14.0
 httpcore==0.16.3
 httplib2==0.22.0