diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index aeb8dd057a2ff5fd589909708f19562d909a129a..1fb02c063f3b5963dac50a29af14f41552e6ad7b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -77,7 +77,7 @@ pages:
     stage: deploy
     image: python:3.7-alpine
     script:
-      - pip install -r docs/doc_requirements.txt
+      - pip install -U -r docs/doc_requirements.txt
       - sphinx-build -b html docs public
     artifacts:
       paths: