Index: head/math/py-Pyomo/Makefile
===================================================================
--- head/math/py-Pyomo/Makefile	(revision 500995)
+++ head/math/py-Pyomo/Makefile	(revision 500996)
@@ -1,24 +1,24 @@
 # $FreeBSD$
 
 PORTNAME=	Pyomo
-DISTVERSION=	5.5.1
-PORTREVISION=	1
+DISTVERSION=	5.6.1
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python Optimization Modeling Objects
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}appdirs>0:devel/py-appdirs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ply>0:devel/py-ply@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}PyUtilib>=5.6.3:devel/py-PyUtilib@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}PyUtilib>=5.6.5:devel/py-PyUtilib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.4:devel/py-six@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils concurrent autoplist
+
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/math/py-Pyomo/distinfo
===================================================================
--- head/math/py-Pyomo/distinfo	(revision 500995)
+++ head/math/py-Pyomo/distinfo	(revision 500996)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1540701272
-SHA256 (Pyomo-5.5.1.tar.gz) = 9b1624997b8a901c7bcd14df47d14a1aca41afa413471bcd4348c20dda172a44
-SIZE (Pyomo-5.5.1.tar.gz) = 1446058
+TIMESTAMP = 1557294758
+SHA256 (Pyomo-5.6.1.tar.gz) = 449be9a4c9b3caee7c89dbe5f0e4e5ad0eaeef8be110a860641cd249986e362c
+SIZE (Pyomo-5.6.1.tar.gz) = 17434820