diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d0c4f6f..8a6abc6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 # This file is a template, and might need editing before it works on your project.
 # Official language image. Look for the different tagged releases at:
 # https://hub.docker.com/r/library/python/tags/
-image: morgana-harbor.psi.ch/bec/python:3.8
+image: $CI_DOCKER_REGISTRY/python:3.8
 
 #commands to run in the Docker container before starting each job.
 before_script:
@@ -11,6 +11,7 @@ before_script:
 stages:
   - Formatter
   - Test
+  - AdditionalTests
   - Deploy
 
 formatter:
@@ -24,4 +25,22 @@ pytest:
   script:
     - pytest -v --random-order ./tests
 
+tests-3.9:
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.9
+  needs: ["pytest"]
+  script:
+    - pytest -v --random-order ./tests
+  allow_failure: true
 
+tests-3.10:
+  extends: "tests-3.9"
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.10
+  allow_failure: true
+
+tests-3.11:
+  extends: "tests-3.9"
+  stage: AdditionalTests
+  image: $CI_DOCKER_REGISTRY/python:3.11
+  allow_failure: true