diff --git a/values/env.yaml b/values/env.yaml
index e53291f9..ddcfcc64 100644
--- a/values/env.yaml
+++ b/values/env.yaml
@@ -20,6 +20,7 @@ clusterConfig:
     - 172.16.0.0/12
     - 192.168.0.0/16
     - 172.19.255.0/24
+    - 100.64.0.0/12 # tailnet
   ingress_hostnetwork: false
   ingress_hostport: false
   ingress_nodeport: true