diff --git a/net/silc-server/Makefile b/net/silc-server/Makefile
index e9c849f6bf1f..617e3f264ed3 100644
--- a/net/silc-server/Makefile
+++ b/net/silc-server/Makefile
@@ -6,8 +6,8 @@
 #
 
 PORTNAME=	silc
-PORTVERSION=	0.7.7
-CATEGORIES=	net security
+PORTVERSION=	0.7.9
+CATEGORIES=	net ipv6 security
 MASTER_SITES=   http://www.silcnet.org/download/server/sources/ \
 		ftp://ftp.silcnet.org/silc/server/sources/ \
 		http://www.planetmirror.com/pub/silcnet/server/sources/ \
@@ -72,6 +72,10 @@ post-install:
 WITHOUT_OPTIMIZED_ASM=	yes
 .endif
 
+.if ${OSVERSION} >= 400014
+CONFIGURE_ARGS+=	--enable-ipv6
+.endif
+
 .ifdef(WITHOUT_OPTIMIZED_ASM)
 CONFIGURE_ARGS+=	--disable-asm
 .endif
diff --git a/net/silc-server/distinfo b/net/silc-server/distinfo
index 68183a70693f..fe578ed19387 100644
--- a/net/silc-server/distinfo
+++ b/net/silc-server/distinfo
@@ -1 +1 @@
-MD5 (silc-server-0.7.7.tar.bz2) = 3fe9332c7f98cf71a8956285ae234630
+MD5 (silc-server-0.7.9.tar.bz2) = 9e04b3f5de0a62892e4720e774bd3094