diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7ee0998b4b7bbd96db3020d082c88ae5d0ed2b22..c7221bb55415595d78dbb47e6395754fdb9b03a1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,7 +37,6 @@ pages:  # "pages" is a job specifically for GitLab pages [1]
     deploy
   image: registry.windenergy.dtu.dk/hawc2/hawc2-binary/dockerimages/ubuntu_conda
   script:  # use sphinx to build docs, move to public page
-  - apt-get update
   - pip install --upgrade pip
   - pip install sphinx --upgrade
   - pip install nbsphinx==0.3.5