diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f804f04a3739509cf4f09f66e17045e3e0aebeea..557072fd47891800b4956b235e951efdab56b493 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,7 @@ build-dois-csv:
   script:
     - pip install pandas
     - pip install requests
+    - pip install matplotlib
     - python run-all-codes.py
     - 'standard-version --releaseCommitMessageFormat "chore(release): {{currentTag}}"'
     - git remote set-url --push origin git@gricad-gitlab:$CI_PROJECT_PATH