diff --git a/cloudknot/data/docker_reqs_ref_data/py3/ref2/requirements.txt b/cloudknot/data/docker_reqs_ref_data/py3/ref2/requirements.txt
index cd69359..2583067 100644
--- a/cloudknot/data/docker_reqs_ref_data/py3/ref2/requirements.txt
+++ b/cloudknot/data/docker_reqs_ref_data/py3/ref2/requirements.txt
@@ -3,4 +3,4 @@ cloudpickle==0.4.1
 six==1.11.0
 dask==0.15.3
 docker==2.5.1
-pytest==3.2.2
+pytest==9.0.3