diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1fb02c063f3b5963dac50a29af14f41552e6ad7b..dff1bd34aea07dd7eb2f820cd79c5279f8186ce0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -77,6 +77,7 @@ pages:
     stage: deploy
     image: python:3.7-alpine
     script:
+      - pip install --upgrade pip
       - pip install -U -r docs/doc_requirements.txt
       - sphinx-build -b html docs public
     artifacts: