diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 37ea97ac94..5128200eed 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,5 +3,5 @@ variables:
 
 test:
   script:
-    - docker pull pandorafms/pandorafms-base:centos7
-    - docker run --rm -h pandorafms -t -v "$CI_PROJECT_DIR:/tmp/pandorafms" pandorafms/pandorafms-base:centos7 /tmp/pandorafms/tests/test.sh
+    - docker pull pandorafms/pandorafms-base:centos6
+    - docker run --rm -h pandorafms -t -v "$CI_PROJECT_DIR:/tmp/pandorafms" pandorafms/pandorafms-base:centos6 /tmp/pandorafms/tests/test.sh