diff --git a/packages/rke2-canal/charts/templates/_helpers.tpl b/packages/rke2-canal/charts/templates/_helpers.tpl
index b647c75..bccf2cb 100644
--- a/packages/rke2-canal/charts/templates/_helpers.tpl
+++ b/packages/rke2-canal/charts/templates/_helpers.tpl
@@ -5,3 +5,9 @@
 {{- "" -}}
 {{- end -}}
 {{- end -}}
+
+{{- define "enableIPv6?" -}}
+{{- $cidrv6 := coalesce .Values.global.clusterCIDRv6 .Values.podCidrv6 -}}
+{{- ternary "false" "true" (empty .Values.global.clusterCIDRv6) -}}
+{{- end -}}
+
diff --git a/packages/rke2-canal/charts/templates/config.yaml b/packages/rke2-canal/charts/templates/config.yaml
index 7229863..fbc776a 100644
--- a/packages/rke2-canal/charts/templates/config.yaml
+++ b/packages/rke2-canal/charts/templates/config.yaml
@@ -60,7 +60,9 @@ data:
   # Flannel network configuration. Mounted into the flannel container.
   net-conf.json: |
     {
-      "Network": {{ coalesce .Values.global.clusterCIDR .Values.podCidr | quote }},
+      "Network": {{ coalesce .Values.global.clusterCIDRv4 .Values.podCidr | quote }},
+      "IPv6Network": {{ coalesce .Values.global.clusterCIDRv6 .Values.podCidrv6 | quote }},
+      "EnableIPv6": {{ template "enableIPv6?" . }},
       "Backend": {
         "Type": {{ .Values.flannel.backend | quote }}
       }
diff --git a/packages/rke2-canal/charts/values.yaml b/packages/rke2-canal/charts/values.yaml
index a997198..443d4c1 100644
--- a/packages/rke2-canal/charts/values.yaml
+++ b/packages/rke2-canal/charts/values.yaml
@@ -78,3 +78,5 @@ calico:
 
 global:
   systemDefaultRegistry: ""
+  clusterCIDRv4: ""
+  clusterCIDRv6: ""
diff --git a/packages/rke2-canal/package.yaml b/packages/rke2-canal/package.yaml
index d8023a1..f36a366 100644
--- a/packages/rke2-canal/package.yaml
+++ b/packages/rke2-canal/package.yaml
@@ -1,4 +1,4 @@
 url: local
-packageVersion: 07
+packageVersion: 08
 # This repository does not use releaseCandidateVersions, so you can leave this as 00.
 releaseCandidateVersion: 00