diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dfbaf119f3aaef061aa76b7547c5f4f54d46e004..ed35c8dade228cbd8fc12f2e447bd0b220a16770 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@
 #
 
 services:
-  - mariadb:10.2
+  - mariadb:10.4
 variables:
   CI_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/caosdb-mysqlbackend/testenv:latest
   MYSQL_ROOT_PASSWORD: caosdb1234