diff --git a/sphinx/Dockerfile b/sphinx/Dockerfile
--- a/sphinx/Dockerfile
+++ b/sphinx/Dockerfile
@@ -19,10 +19,13 @@
     plantuml \
     postgresql-autodoc \
     rsync \
-    tox
+    tox && \
+  mkdir /home/jenkins/.cache && \
+  chown jenkins:jenkins /home/jenkins/.cache
 
 USER jenkins
 
 RUN --mount=type=cache,id=pip-cache,target=/home/jenkins/.cache/pip,uid=115,gid=120 \
   python3 -m pip install --user --upgrade \
-    pre-commit
+    pre-commit \
+  && chown jenkins:jenkins /home/jenkins/.cache