diff --git a/apps/cic-cache/docker/Dockerfile_ci b/apps/cic-cache/docker/Dockerfile_ci
index 9f49cac0..8aacf3c5 100644
--- a/apps/cic-cache/docker/Dockerfile_ci
+++ b/apps/cic-cache/docker/Dockerfile_ci
@@ -11,7 +11,7 @@ COPY requirements.txt .
 ARG EXTRA_INDEX_URL="https://pip.grassrootseconomics.net:8433"
 ARG GITLAB_PYTHON_REGISTRY="https://gitlab.com/api/v4/projects/27624814/packages/pypi/simple"
 RUN pip install --index-url https://pypi.org/simple  \
-	  --extra-index-url $GITLAB_PYTHON_REGISTRY --extra-index-url $EXTRA_INDEX_URL \
+	  --extra-index-url $GITLAB_PYTHON_REGISTRY --extra-index-url $EXTRA_INDEX_URL --pre \
     -r requirements.txt
 
 COPY . .