diff --git a/docker/ejsonschema/Dockerfile b/docker/ejsonschema/Dockerfile
index 9ebb9d2..80742bc 100644
--- a/docker/ejsonschema/Dockerfile
+++ b/docker/ejsonschema/Dockerfile
@@ -2,7 +2,7 @@ FROM oar-metadata/jq:latest
 
 RUN apt-get update && apt-get install -y python python-pip python-dev unzip \
                                          uwsgi uwsgi-plugin-python python-yaml
-RUN pip install setuptools --upgrade
+RUN pip install --upgrade pip 'setuptools==44.0.0'
 RUN pip install json-spec jsonmerge==1.3.0 jsonschema==2.6.0 requests pynoid \
                 pytest==4.6.5 filelock crossrefapi