diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 27f13f4..75e4ca1 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:
@@ -24,9 +25,29 @@ 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
+  
 semver:
   stage: Deploy
-  needs: ["tests"]
+  needs: ["pytest"]
   script:
     - git config --global user.name "ci_update_bot"
     - git config --global user.email "ci_update_bot@bec.ch"
@@ -50,4 +71,4 @@ semver:
       
   allow_failure: false
   rules:
-    - if: '$CI_COMMIT_REF_NAME == "master"'
\ No newline at end of file
+    - if: '$CI_COMMIT_REF_NAME == "master"'