diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b49afbc5b78b2a92ddfb3693b091864732b788c3..3594565cb10e21e60ee06db8205bc2763f1c7d59 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -64,7 +64,7 @@ unit tests:
     - k8srunner
   script:
     - echo $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
-    - python3 -m pip install -U $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
+    - python3 -m pip install --extra-index-url https://nexus.engageska-portugal.pt/repository/pypi/simple -U $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
     - make test
     - scripts/validate-metadata.sh
   artifacts:
@@ -77,7 +77,7 @@ linting:
     - k8srunner
   script:
     - echo $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
-    - python3 -m pip install -U $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
+    - python3 -m pip install --extra-index-url https://nexus.engageska-portugal.pt/repository/pypi/simple -U $(ls -d ./dist/*.whl | grep $CI_COMMIT_SHORT_SHA)
     - make lint
   artifacts:
     paths: