diff --git a/pvv-domain.nix b/pvv-domain.nix
index 00d400e..22cf560 100644
--- a/pvv-domain.nix
+++ b/pvv-domain.nix
@@ -15,7 +15,7 @@ in
   SOA = {
     nameServer = "dvask.pvv.ntnu.no.";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
 
   NS = [
diff --git a/zones/nucc.org.nix b/zones/nucc.org.nix
index e2d1af6..4821753 100644
--- a/zones/nucc.org.nix
+++ b/zones/nucc.org.nix
@@ -7,7 +7,7 @@ with dns.lib.combinators;
   SOA = {
     nameServer = "dvask.pvv.ntnu.no";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
 
   NS = [
diff --git a/zones/pvv.no.nix b/zones/pvv.no.nix
index d5d130d..53d1b06 100644
--- a/zones/pvv.no.nix
+++ b/zones/pvv.no.nix
@@ -7,7 +7,7 @@ with dns.lib.combinators;
   SOA = {
     nameServer = "dvask.pvv.ntnu.no";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
   NS = [
     "dvask.pvv.ntnu.no"
diff --git a/zones/reverse-ipv4-parent.nix b/zones/reverse-ipv4-parent.nix
index 61a232f..8f347e0 100644
--- a/zones/reverse-ipv4-parent.nix
+++ b/zones/reverse-ipv4-parent.nix
@@ -7,7 +7,7 @@ with dns.lib.combinators;
   SOA = {
     nameServer = "dvask.pvv.ntnu.no";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
   NS = [
     "dvask.pvv.ntnu.no"
diff --git a/zones/reverse-ipv4.nix b/zones/reverse-ipv4.nix
index 2e19910..0b34d37 100644
--- a/zones/reverse-ipv4.nix
+++ b/zones/reverse-ipv4.nix
@@ -31,7 +31,7 @@ in
   SOA = {
     nameServer = "dvask.pvv.ntnu.no";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
   NS = [
     "dvask.pvv.ntnu.no"
diff --git a/zones/reverse-ipv6.nix b/zones/reverse-ipv6.nix
index 67f0588..33506b5 100644
--- a/zones/reverse-ipv6.nix
+++ b/zones/reverse-ipv6.nix
@@ -68,7 +68,7 @@ in
   SOA = {
     nameServer = "dvask.pvv.ntnu.no";
     adminEmail = "drift@pvv.ntnu.no";
-    serial = 2025021701; # TODO: Automate
+    serial = 2026012301; # TODO: Automate
   };
   NS = [
     "dvask.pvv.ntnu.no"