diff --git a/cluster/staging/app/core/deploy/core-system.hcl b/cluster/staging/app/core/deploy/core-system.hcl
index 05fa0f2..dba6b95 100644
--- a/cluster/staging/app/core/deploy/core-system.hcl
+++ b/cluster/staging/app/core/deploy/core-system.hcl
@@ -13,7 +13,6 @@ job "core-system" {
     stagger = "1m"
   }
 
-/*
   group "diplonat" {
     task "diplonat" {
       driver = "nix2"
@@ -21,7 +20,7 @@ job "core-system" {
       config {
         packages = [
           "#iptables",
-          "git+https://git.deuxfleurs.fr/Deuxfleurs/diplonat.git?ref=main&rev=f306e8dc8d0e93478353ce39b6064e8c06a8bca6"
+          "git+https://git.deuxfleurs.fr/Deuxfleurs/diplonat.git?ref=stun&rev=21ab77b8288630c5f39a30b098c6a3888df622a1"
         ]
         command = "diplonat"
       }
@@ -53,6 +52,7 @@ job "core-system" {
         data = <<EOH
 DIPLONAT_REFRESH_TIME=60
 DIPLONAT_EXPIRATION_TIME=300
+DIPLONAT_IPV6_ONLY=true
 DIPLONAT_CONSUL_NODE_NAME={{ env "attr.unique.hostname" }}
 DIPLONAT_CONSUL_URL=https://localhost:8501
 DIPLONAT_CONSUL_CA_CERT=/etc/diplonat/consul-ca.crt
@@ -69,7 +69,6 @@ EOH
       }
     }
   }
-  */
 
   group "tricot" {
     network {