diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 25f0d49b20447f968f6a225432dfdcf8967df575..45d4a1d77cef2745d1d0f1a518bc0c4adc512df7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ stages:
 
 variables:
   DOCKER_IMAGE: "registry.duniter.org/docker/python3/poetry"
-  PYTHON_VERSION: "3.8"
+  PYTHON_VERSION: "3.9"
 
 image: $DOCKER_IMAGE/$PYTHON_VERSION:latest
 
@@ -96,12 +96,12 @@ tests-3.7:
 tests-3.8:
   extends: .tests
   tags: [redshift]
+  variables:
+    PYTHON_VERSION: "3.8"
 
 tests-3.9:
   extends: .tests
   tags: [redshift]
-  variables:
-    PYTHON_VERSION: "3.9"
 
 release:
   stage: release