diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 75fef90b4531dae80fe7679230d11cf9744652ec..36ae7212852941236db68fb3077e20ee09082285 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,7 @@ build:
   tags:
     - docker
   script:
+    - apt-get install python-numpy
     - pip install --upgrade Cython
     - pip install --upgrade numpy
     - pip install --upgrade pip setuptools wheel