diff --git a/Dockerfile b/Dockerfile
index da6b012..1a689e0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,6 +21,8 @@ RUN set -eux && \
     apt-get autoremove --purge -y && \
     rm -rf /var/lib/apt/lists/*
 
+RUN sed -i 's/must_revalidate/no_cache/' /srv/umap/venv/lib/python3.9/site-packages/umap/urls.py
+
 ADD umap.conf /etc/umap/umap.conf
 ADD uwsgi.ini /srv/umap/uwsgi.ini
 ADD drop-privileges.sh /srv/umap/drop-privileges.sh