diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 36b01feabe8f3e7b81dfd103a744c6ca07747a87..124b46dfe56744f0cd879aa95f07bd094ac5cecd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,7 +27,8 @@ test:
     # TODO: Different jobs with custom develop arguments? extra_requires (hyperspy, plotting)?
     # TODO: Use pip install -e .[hyperspy], etc.
     # Install requirements:
-    - pip install -r requirements.txt  # TODO: Use conda docker image if available!?
+    # - pip install -r requirements.txt  # TODO: DOES NOT WORK (because mayavi and stuff...)
+    - pip install -e .['tests']
     - python setup.py test
     - coverage html
   artifacts: