diff --git a/invenio/Dockerfile b/invenio/Dockerfile
index ac12f1e..e2fa151 100644
--- a/invenio/Dockerfile
+++ b/invenio/Dockerfile
@@ -1,5 +1,5 @@
 FROM ghcr.io/front-matter/invenio-rdm-starter:v12.0.13.4
 
 RUN /opt/invenio/.venv/bin/python -m ensurepip
-RUN /opt/invenio/.venv/bin/python -m pip install -e /opt/invenio/var/instance/static/plugin
-RUN /opt/invenio/.venv/bin/python -m pip uninstall -e pip
+RUN /opt/invenio/.venv/bin/python -m pip install /opt/invenio/var/instance/static/plugin
+RUN /opt/invenio/.venv/bin/python -m pip uninstall pip
diff --git a/invenio/invenio.cfg b/invenio/invenio.cfg
index 95387de..75e376b 100644
--- a/invenio/invenio.cfg
+++ b/invenio/invenio.cfg
@@ -70,6 +70,9 @@ def _(x):  # needed to avoid start time failure with lazy strings
     return x
 
 
+EXTENSIONS = ["custom_invenio_plugin"]
+
+
 RATELIMIT_ENABLED = True
 RATELIMIT_AUTHENTICATED_USER = "50000 per hour;900 per minute"
 RATELIMIT_GUEST_USER = "30000 per hour;500 per minute"