diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f849f3ad127ed78d58fe30fc612160eb8d477be..1575c5ac86e7ed838bddca9115e60f2dbf396104 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,8 @@
 build-doc:
-    image: python:3.8
+    image: jupyter/scipy-notebook
     stage: build
     script:
-        - pip install pdoc3 numpy 
+        - pip install pdoc3
         - pdoc --html src
         - mkdir .public
         - mv html/src/* .public/