diff --git a/docker-compose.data.tests.yml b/docker-compose.data.tests.yml
index 67539ab1a..84e9743f1 100644
--- a/docker-compose.data.tests.yml
+++ b/docker-compose.data.tests.yml
@@ -15,7 +15,8 @@ services:
       - mariadb
 
   mariadb:
-    image: mariadb:latest
+    # on update, also update ServerVersion in FilterLists.Services.DependencyInjection.Extensions.ConfigureServicesCollection
+    image: mariadb:10.4.12
     networks:
       - test-data
     environment: