diff --git a/host-registry.nix b/host-registry.nix
index 1e867370..6915d6de 100644
--- a/host-registry.nix
+++ b/host-registry.nix
@@ -2,7 +2,7 @@
 
 {
   dacbert.ip4 = "dacbert.hq.c3d2.de";
-  dacbert.serial = "d2526256";
+  dacbert.serial = "3c271952";
 
   dn42 = {
     ip4 = "172.22.99.253";