diff --git a/ftl/python/benchmark/data/large_app/requirements.txt b/ftl/python/benchmark/data/large_app/requirements.txt
index c2cb2326c..bbbea6180 100644
--- a/ftl/python/benchmark/data/large_app/requirements.txt
+++ b/ftl/python/benchmark/data/large_app/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 futures==3.0.3
 google-api-python-client==1.6.2
 google-python-cloud-debugger==1.18
-gunicorn==19.4.1
+gunicorn==21.2.0
 httplib2==0.10.3
 idna==2.5
 oauth2client==4.1.2