diff --git a/security/uvscan-dat/Makefile b/security/uvscan-dat/Makefile
index 161742e641c5..0c6ebb2acccd 100644
--- a/security/uvscan-dat/Makefile
+++ b/security/uvscan-dat/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	uvscan_dat
-PORTVERSION=	4503
+PORTVERSION=	4504
 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 81098c1e2439..34871fbf477b 100644
--- a/security/uvscan-dat/distinfo
+++ b/security/uvscan-dat/distinfo
@@ -1,2 +1,2 @@
-MD5 (dat-4503.tar) = 3808da551cde8875c91254628ecd6aa6
-SIZE (dat-4503.tar) = 6748160
+MD5 (dat-4504.tar) = a66cbd62deee6e49a0878153babc023b
+SIZE (dat-4504.tar) = 6758400