diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 616b34e8d923583ff62a77f662cb9b7b0ca78ce4..f07a8b62f59cf4f28547dde7c9b5acee678f0451 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,17 +22,15 @@ default:
   tags:
     - docker-executor
   before_script:
-    - apt-get update
-    - apt install make git -y --no-install-recommends
     - pip install poetry
     - poetry --version
     - poetry config virtualenvs.in-project true
     - poetry install -vv
-  image: python:3.9-slim-bullseye
+  image: python:3.9-bullseye
 
 .test-template:
   stage: tests
-  image: "python:$PYTHON_VER-slim-bullseye"
+  image: "python:$PYTHON_VER-bullseye"
   script: make test
 
 # Quality jobs
@@ -71,4 +69,4 @@ publish:
     - /^v(\d+\.)(\d+\.)(\d+)$/
   script:
     - make build
-    - poetry publish -username=__token__ --password=$PYPI_TOKEN
\ No newline at end of file
+    - poetry publish -username=__token__ --password=$PYPI_TOKEN