diff --git a/charts/openstack-cloud-controller-manager/Chart.yaml b/charts/openstack-cloud-controller-manager/Chart.yaml
index 9ab1ed5293..3eac4dca42 100644
--- a/charts/openstack-cloud-controller-manager/Chart.yaml
+++ b/charts/openstack-cloud-controller-manager/Chart.yaml
@@ -4,7 +4,7 @@ description: Openstack Cloud Controller Manager Helm Chart
 icon: https://object-storage-ca-ymq-1.vexxhost.net/swift/v1/6e4619c416ff4bd19e1c087f27a43eea/www-images-prod/openstack-logo/OpenStack-Logo-Vertical.png
 home: https://github.com/kubernetes/cloud-provider-openstack
 name: openstack-cloud-controller-manager
-version: 2.29.0-alpha.4
+version: 2.29.0-alpha.5
 maintainers:
   - name: eumel8
     email: f.kloeker@telekom.de
diff --git a/charts/openstack-cloud-controller-manager/templates/daemonset.yaml b/charts/openstack-cloud-controller-manager/templates/daemonset.yaml
index 4bd8fde955..c11c060a18 100644
--- a/charts/openstack-cloud-controller-manager/templates/daemonset.yaml
+++ b/charts/openstack-cloud-controller-manager/templates/daemonset.yaml
@@ -98,6 +98,9 @@ spec:
               value: /etc/config/cloud.conf
             - name: CLUSTER_NAME
               value: {{ .Values.cluster.name }}
+            {{- if .Values.extraEnv }}
+              {{- toYaml .Values.extraEnv | nindent 12 }}
+            {{- end }}
       {{- if .Values.extraInitContainers }}
       initContainers: {{ toYaml .Values.extraInitContainers | nindent 6 }}
       {{- end }}
diff --git a/charts/openstack-cloud-controller-manager/values.yaml b/charts/openstack-cloud-controller-manager/values.yaml
index e1c23e3c74..ee90f03aa3 100644
--- a/charts/openstack-cloud-controller-manager/values.yaml
+++ b/charts/openstack-cloud-controller-manager/values.yaml
@@ -20,6 +20,11 @@ extraInitContainers: []
 #   image: busybox
 #   command: ['sh', '-c', 'echo waiting for 10 seconds; sleep 10;']
 
+# Additional environment variables for the cloud-controller-manager.
+extraEnv: []
+# - name: OS_CCM_REGIONAL
+#   value: "true"
+
 # Set resources for Kubernetes daemonset
 resources: {}
 # resources: