diff --git a/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/lifecycle/lifecycle_openstack.py b/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/lifecycle/lifecycle_openstack.py
index b41be88b..061ce528 100644
--- a/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/lifecycle/lifecycle_openstack.py
+++ b/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/lifecycle/lifecycle_openstack.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2023 Wind River Systems, Inc.
+# Copyright (c) 2023-2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -453,3 +453,12 @@ class OpenstackAppLifecycleOperator(base.AppLifecycleOperator):
         status = helm_utils.delete_helm_release(
             release=release_failed, namespace=app_constants.HELM_NS_OPENSTACK)
         LOG.info(status)
+
+        # Downgrading is not officially supported for MariaDB:
+        # https://mariadb.com/kb/en/downgrading-between-major-versions-of-mariadb/
+        # Because of that, we need to delete the Helmrelease for the new MariaDB
+        # before deploying the old one.
+        app_utils.delete_kubernetes_resource(
+            resource_type='helmrelease',
+            resource_name='mariadb'
+        )
diff --git a/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/utils.py b/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/utils.py
index c858403a..c9ef02b3 100644
--- a/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/utils.py
+++ b/python3-k8sapp-openstack/k8sapp_openstack/k8sapp_openstack/utils.py
@@ -606,3 +606,33 @@ def update_helmrelease(release, patch):
         LOG.error(f"Failed to update helmrelease: {release}, with error: {e}")
     except Exception as e:
         LOG.error(f"Unexpected error while updating helmrelease: {e}")
+
+
+def delete_kubernetes_resource(resource_type, resource_name):
+    """
+    Delete a Kubernetes resource.
+
+    Args:
+        resource_type (str): The type of the Kubernetes resource.
+        resource_name (str): The name of the Kubernetes resource.
+    """
+    cmd = [
+        "kubectl", "--kubeconfig", kubernetes.KUBERNETES_ADMIN_CONF,
+        "delete", resource_type, resource_name,
+        "-n", app_constants.HELM_NS_OPENSTACK
+    ]
+
+    try:
+        process = subprocess.run(
+                args=cmd,
+                capture_output=True,
+                text=True,
+                shell=False)
+
+        LOG.info(f"Stdout: {process.stdout}")
+        LOG.info(f"Stderr: {process.stderr}")
+        process.check_returncode()
+    except KubeApiException as e:
+        LOG.error(f"Failed to delete {resource_type}: {resource_name}, with error: {e}")
+    except Exception as e:
+        LOG.error(f"Unexpected error while deleting {resource_type}: {e}")