diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 02ebd9d..05566db 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: python:alpine
+image: ubuntu:18.04
 
 stages:
   - docs
@@ -8,7 +8,7 @@ before_script:
   - pip install mkdocs
   - pip install mkdocs-material
 
-  - apt get install docker
+  - apt get install -y docker
   - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
 
 pages: