diff --git a/v3-calico/calico.yaml b/v3-calico/calico.yaml
index ea0fc09..fcbf49a 100644
--- a/v3-calico/calico.yaml
+++ b/v3-calico/calico.yaml
@@ -32,7 +32,9 @@ data:
           "nodename": "__KUBERNETES_NODE_NAME__",
           "mtu": __CNI_MTU__,
           "ipam": {
-              "type": "calico-ipam"
+            "type": "calico-ipam",
+            "assign_ipv4": "false",
+            "assign_ipv6": "true"
           },
           "policy": {
               "type": "k8s"