diff --git a/kubernetes/defaults/main.yml b/kubernetes/defaults/main.yml
index 5c38dc0..f974e71 100644
--- a/kubernetes/defaults/main.yml
+++ b/kubernetes/defaults/main.yml
@@ -7,7 +7,7 @@ kubernetes:
       service_cidr: 10.43.0.0/16
     ipv6:
       # Minimum: /120
-      cluster_cidr: fd42::/56
+      cluster_cidr: fd42::/112
       service_cidr: fd43::/112
 
     # Interface to grab node-IPv4/v6 from