diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 73d3c05284098ed1257e4494c0a68ce1547db809..93913b9bfb3a1853da48cc1059841947b237376d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ stages:
 .test: &test
   stage: test
   tags: [docker]
-  image: gitlab-registry.irstea.fr/pole-is/docker/php:stretch-${CI_JOB_NAME}
+  image: gitlab-registry.irstea.fr/pole-is/docker/php:buster-${CI_JOB_NAME}
   variables:
     COMPOSER_CACHE_DIR: "${CI_PROJECT_DIR}/.composer-cache"
   before_script:
@@ -23,9 +23,6 @@ stages:
 "7.1":
   <<: *test
 
-"7.2":
-  <<: *test
-
 "7.3":
   <<: *test