diff --git a/requirements.txt b/requirements.txt
index 9147613..ebb42e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 foca~=0.12.0
 # cwl-tes @ git+https://github.com/ohsu-comp-bio/cwl-tes.git@7b44cb1825a302bb7eccb3f2d91dc233adc0e32f#egg=cwl-tes
 drs-cli~=0.2.3
-gunicorn~=19.9.0
+gunicorn~=22.0.0
 py-tes~=0.4.2
 importlib-metadata==4.13.0
 yq==3.2.3