Index: head/biology/iqtree/Makefile
===================================================================
--- head/biology/iqtree/Makefile	(revision 468713)
+++ head/biology/iqtree/Makefile	(revision 468714)
@@ -1,35 +1,35 @@
 # $FreeBSD$
 
 PORTNAME=	iqtree
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.6.3
+DISTVERSION=	1.6.4
 CATEGORIES=	biology
 
 MAINTAINER=	jrm@FreeBSD.org
 COMMENT=	Efficient phylogenomic software by maximum likelihood
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_aarch64=	fails to compile: unrecognized command line option '-msse3'
 BROKEN_armv6=	fails to compile: unrecognized command line options '-m32' and '-msse3'
 BROKEN_armv7=	fails to compile: unrecognized command line options '-m32' and '-msse3'
 
 USES=		cmake compiler:openmp eigen:3
 USE_GITHUB=	yes
 GH_ACCOUNT=	Cibiv
 GH_PROJECT=	IQ-TREE
 
 PLIST_FILES=	bin/iqtree
 PORTEXAMPLES=	example.cf example.nex example.phy models.nex
 
 OPTIONS_DEFINE=	EXAMPLES
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/iqtree ${STAGEDIR}${PREFIX}/bin
 
 do-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${INSTALL_DATA} ${WRKSRC}/example/* ${STAGEDIR}${EXAMPLESDIR}
 
 .include <bsd.port.mk>
Index: head/biology/iqtree/distinfo
===================================================================
--- head/biology/iqtree/distinfo	(revision 468713)
+++ head/biology/iqtree/distinfo	(revision 468714)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1521767631
-SHA256 (Cibiv-IQ-TREE-v1.6.3_GH0.tar.gz) = a2a2752925220c8fc024e0d2379ab5d53f703e597341c8b46030fcb12aa5e0c0
-SIZE (Cibiv-IQ-TREE-v1.6.3_GH0.tar.gz) = 4458736
+TIMESTAMP = 1525105655
+SHA256 (Cibiv-IQ-TREE-v1.6.4_GH0.tar.gz) = e5fa204ab6e254137b1bff4b4b1f934fb6d9cfbb579662c8ab09666232e7965c
+SIZE (Cibiv-IQ-TREE-v1.6.4_GH0.tar.gz) = 4467168