diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 89c43d7..3e001c8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
-image: python:3.5-jessie
+image: python:3.5-alpine
 test:
   script:
-  - apt-get update
-  - apt-get install git
+  - apk update
+  - apk add git
   - git clone https://github.com/YunoHost/package_linter
-  - python package_linter/package_linter.py .
\ No newline at end of file
+  - python package_linter/package_linter.py .