diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 5c49eb7e9c88346b8423a611dc14aca2e85cf346..8f1fd3480f4273aae10cc307454ab245a9860468 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM mysql:8
 RUN apt-get update \
     && \
     apt-get install -y \
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5d6198c4652c8e4c233842673ce8bd57ca367669..19646b063206a8467ea2f4cccd2929f78b6cedfb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@
 #
 
 services:
-  - mysql:8
+  - mysql:5.7
 variables:
   DEPLOY_REF: dev
   CI_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/src/caosdb-mysqlbackend/testenv:latest