diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 4306039b34b8..774421fe8a7e 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -44,7 +44,7 @@ jobs:
 
     services:
       mariadb:
-        image: mariadb:latest
+        image: mariadb:10.6
         ports:
           - 32768:3306
         env: