diff --git a/math/py-cmaes/Makefile b/math/py-cmaes/Makefile
index bc7012479d91..85ccb1dab8cf 100644
--- a/math/py-cmaes/Makefile
+++ b/math/py-cmaes/Makefile
@@ -1,24 +1,23 @@
 PORTNAME=	cmaes
-PORTVERSION=	0.13.0
-PORTREVISION=	1
+PORTVERSION=	0.13.1
 CATEGORIES=	math
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Lightweight CMA Evolution Strategy implementation for Python
 WWW=		https://github.com/CyberAgent/cmaes
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=61:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=0,1:math/py-numpy@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/math/py-cmaes/distinfo b/math/py-cmaes/distinfo
index 260fd69feb28..5838734f433b 100644
--- a/math/py-cmaes/distinfo
+++ b/math/py-cmaes/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587528
-SHA256 (cmaes-0.13.0.tar.gz) = 69a252b0291d08100351e37c2918c7c6d929b02ab7dcd9dd14fc02c7c98cc1b9
-SIZE (cmaes-0.13.0.tar.gz) = 61265
+TIMESTAMP = 1788500250
+SHA256 (cmaes-0.13.1.tar.gz) = 5f56a9e8dd769ffd23ac2ad651979bdb6ca8846de60d97d03fe5ad8456c56c79
+SIZE (cmaes-0.13.1.tar.gz) = 61781