diff --git a/security/uvscan-dat/Makefile b/security/uvscan-dat/Makefile
index 30e469c19a27..d5faeb6795c7 100644
--- a/security/uvscan-dat/Makefile
+++ b/security/uvscan-dat/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	uvscan_dat
-PORTVERSION=	4155
+PORTVERSION=	4156
 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 7c0bd9f86be8..e161ed88e00a 100644
--- a/security/uvscan-dat/distinfo
+++ b/security/uvscan-dat/distinfo
@@ -1 +1 @@
-MD5 (dat-4155.tar) = be87b2a79b88bc2ce3ba80006e4d27f2
+MD5 (dat-4156.tar) = 566b0d9c6564fa6ecd782b16c3afe213