diff --git a/helmfile/apps/services/helmfile.yaml b/helmfile/apps/services/helmfile.yaml
index a48f1d44..56612e89 100644
--- a/helmfile/apps/services/helmfile.yaml
+++ b/helmfile/apps/services/helmfile.yaml
@@ -92,7 +92,7 @@ releases:
     timeout: 900
   - name: "mariadb"
     chart: "mariadb-repo/mariadb"
-    version: "2.1.0"
+    version: "2.0.2"
     values:
       - "values-mariadb.yaml"
       - "values-mariadb.gotmpl"
diff --git a/helmfile/environments/default/images.yaml b/helmfile/environments/default/images.yaml
index a22ad460..ce9e4401 100644
--- a/helmfile/environments/default/images.yaml
+++ b/helmfile/environments/default/images.yaml
@@ -72,7 +72,8 @@ images:
     # @supplier: "Univention"
   mariadb:
     repository: "mariadb"
-    tag: "11.1.2-jammy@sha256:b6440c4f4e1471bdcee202e4c4e21c1f93af87421f6d33028363dd224e54f481"
+    # For upgrades at least confirm compatibility of target version with OX (regarding AS Guard)
+    tag: "10.5@sha256:aa1ccc18000c32d1f39ac0b055117b27bffd93e622ec961d682de40fe2a1a95f"
     # @supplier: "openDesk DevSecOps"
   memcached:
     repository: "bitnami/memcached"