diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2274cef..ba3175a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,7 @@
 default:
-  image: python:3.9
+  image: python:3.9-alpine
   before_script:
+    - apk add build-base
     - apk add --no-cache postgresql-libs
     - apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev
     - python3 -m pip install -r requirements.txt