diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 8f1fd3480f4273aae10cc307454ab245a9860468..5c49eb7e9c88346b8423a611dc14aca2e85cf346 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM mysql:8
+FROM debian:buster
 RUN apt-get update \
     && \
     apt-get install -y \
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bd2016ee4a7426ab193febbdd40363604631f452..5d6198c4652c8e4c233842673ce8bd57ca367669 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@
 #
 
 services:
-  - mariadb:10.4
+  - mysql:8
 variables:
   DEPLOY_REF: dev
   CI_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/src/caosdb-mysqlbackend/testenv:latest
@@ -52,7 +52,7 @@ unittests:
     - cp config.defaults .config
     - echo 'DATABASE_USER_HOST_LIST="%,"' >> .config
     - echo "MYSQL_USER_PASSWORD=$MYSQL_ROOT_PASSWORD" >> .config
-    - echo "MYSQL_HOST=mariadb" >> .config
+    - echo "MYSQL_HOST=mysql" >> .config
     - sleep 10
     - make install
     - ./utils/make_db restore_db tests/example.dump.sql