diff --git a/nats-server/nats-server.spec b/nats-server/nats-server.spec
index 5240d38ff8..d50bf82b60 100644
--- a/nats-server/nats-server.spec
+++ b/nats-server/nats-server.spec
@@ -22,8 +22,8 @@
 ##
 
 #   package information
-%define       V_nats_server_base  2.12.2
-%define       V_nats_server_snap  20251113
+%define       V_nats_server_base  2.12.3
+%define       V_nats_server_snap  20251217
 
 #   package information
 Name:         nats-server
@@ -36,7 +36,7 @@ Class:        EVAL
 Group:        Networking
 License:      Apache
 Version:      %{V_nats_server_base}.%{V_nats_server_snap}
-Release:      20251113
+Release:      20251217
 
 #   list of sources
 Source0:      http://download.openpkg.org/components/versioned/nats/nats-server-%{V_nats_server_snap}.tar.xz