diff --git a/security/uvscan-dat/Makefile b/security/uvscan-dat/Makefile
index a832cc2472f4..27994450b7ac 100644
--- a/security/uvscan-dat/Makefile
+++ b/security/uvscan-dat/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	uvscan_dat
-PORTVERSION=	4280
+PORTVERSION=	4281
 CATEGORIES=	security
 MASTER_SITES=	http://download.nai.com/products/datfiles/4.x/nai/
 DISTNAME=	dat-${PORTVERSION}
diff --git a/security/uvscan-dat/distinfo b/security/uvscan-dat/distinfo
index a6a4f521a264..ae9a4d73bbf0 100644
--- a/security/uvscan-dat/distinfo
+++ b/security/uvscan-dat/distinfo
@@ -1 +1 @@
-MD5 (dat-4280.tar) = da17634b983849d35d78f44b135ef040
+MD5 (dat-4281.tar) = 04a20eb7f95268791d78a4fef4d81c8d