diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b1c67fce2245c0213036666861a7c513e4fc0731..501f11cd4d4f6e23d1564a45d6e3ad773127f72f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -42,8 +42,10 @@ variables:
   PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
 
 install_and_test_37:
-  image: python:3.7
+  image: registry.lis-lab.fr:5005/dev/ltfatpy/python-ci:3.7
   stage: test
+  before_script:
+    - echo "image registry 3.7"
   script:
     - pip3 install -e . --no-deps
     - python3 -m pytest
@@ -57,8 +59,10 @@ install_and_test_37:
     expire_in: 8d
 
 install_and_test_310:
-  image: python:3.10
+  image: registry.lis-lab.fr:5005/dev/ltfatpy/python-ci:3.10
   stage: test
+  before_script:
+    - echo "image registry 3.10"
   script:
     - pip3 install -e . --no-deps
     - python3 -m pytest