diff --git a/math/py-Pyomo/Makefile b/math/py-Pyomo/Makefile
index a7293bf617e0..ba6cb087940c 100644
--- a/math/py-Pyomo/Makefile
+++ b/math/py-Pyomo/Makefile
@@ -1,20 +1,18 @@
 PORTNAME=	Pyomo
-DISTVERSION=	6.1.2
+DISTVERSION=	6.4.0
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python Optimization Modeling Objects
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ply>0:devel/py-ply@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	distutils concurrent autoplist
-
-NO_ARCH=	yes
+USE_PYTHON=	distutils cython concurrent autoplist
 
 .include <bsd.port.mk>
diff --git a/math/py-Pyomo/distinfo b/math/py-Pyomo/distinfo
index 49c9407c0e89..466bb8862c86 100644
--- a/math/py-Pyomo/distinfo
+++ b/math/py-Pyomo/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1629877067
-SHA256 (Pyomo-6.1.2.tar.gz) = f2a58977c3c72e706aef7ab7d016bdf66df85df8ea5b25cc0ba387e2cef880bb
-SIZE (Pyomo-6.1.2.tar.gz) = 1992376
+TIMESTAMP = 1652216213
+SHA256 (Pyomo-6.4.0.tar.gz) = b548825301b6bd4073a0620a8265d956153d53c12fca37cc7184fa54fce96222
+SIZE (Pyomo-6.4.0.tar.gz) = 2040371