diff --git a/math/kahip/Makefile b/math/kahip/Makefile
index 57e9392a732b..dd7fc6167e3b 100644
--- a/math/kahip/Makefile
+++ b/math/kahip/Makefile
@@ -1,25 +1,23 @@
 PORTNAME=	kahip
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.14-19
-PORTREVISION=	1
-DISTVERSIONSUFFIX=	-g5956007
+DISTVERSION=	3.15
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Karlsruhe high quality graph partitioning
 WWW=		https://kahip.github.io/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libmetis.so:math/metis \
 		libmpi.so:net/mpich
 
 USES=		cmake localbase
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	KaHIP
 GH_PROJECT=	KaHIP
 
 .include <bsd.port.mk>
diff --git a/math/kahip/distinfo b/math/kahip/distinfo
index b8fcf57265a2..269caad4e9f8 100644
--- a/math/kahip/distinfo
+++ b/math/kahip/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1656203807
-SHA256 (KaHIP-KaHIP-v3.14-19-g5956007_GH0.tar.gz) = c890983b9fd4ba2464526981c3677a63de9ea8d4e6c518e3140a9ee7a45cf99a
-SIZE (KaHIP-KaHIP-v3.14-19-g5956007_GH0.tar.gz) = 3061437
+TIMESTAMP = 1684916641
+SHA256 (KaHIP-KaHIP-v3.15_GH0.tar.gz) = 20760099370ddf7ecb2f92bfdb727def48f6428001165be6ce504264b9a99a0b
+SIZE (KaHIP-KaHIP-v3.15_GH0.tar.gz) = 3099456
diff --git a/math/py-kahip/Makefile b/math/py-kahip/Makefile
index 6e6318381849..aacfd4d46ee8 100644
--- a/math/py-kahip/Makefile
+++ b/math/py-kahip/Makefile
@@ -1,42 +1,42 @@
 PORTNAME=	kahip
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.14-19
-PORTREVISION=	1
-DISTVERSIONSUFFIX=	-g5956007
+DISTVERSION=	3.15
 CATEGORIES=	math
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Karlsruhe high quality graph partitioning
 WWW=		https://kahip.github.io/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	pybind11>0:devel/pybind11
 LIB_DEPENDS=	libkahip.so:math/kahip
 
 USES=		cmake localbase:ldflags python
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	KaHIP
 GH_PROJECT=	KaHIP
 
 CMAKE_SOURCE_PATH=	${FILESDIR}/CMakeLists.txt
 CMAKE_ARGS=	-DFREEBSD_WRKSRC=${WRKSRC}
 
 CXXFLAGS+=	-I${WRKSRC}
 
 PLIST_FILES=	${PYTHON_SITELIBDIR}/${PORTNAME}${PYTHON_EXT_SUFFIX}.so
 
+TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
+
 do-install:
 	@${MKDIR} ${STAGEDIR}${PYTHON_SITELIBDIR}
 	${INSTALL_LIB} ${BUILD_WRKSRC}/${PORTNAME}${PYTHON_EXT_SUFFIX}.so ${STAGEDIR}${PYTHON_SITELIBDIR}
 
 do-test:
 	@cd ${WRKSRC} && \
 		${SETENV} ${TEST_ENV} ${PYTHON_CMD} ${WRKSRC}/misc/pymodule/callkahipfrompython.py && \
 		${ECHO} "Tests succeeded."
 
 .include <bsd.port.mk>
diff --git a/math/py-kahip/distinfo b/math/py-kahip/distinfo
index b8fcf57265a2..6f5b6b2ac8b4 100644
--- a/math/py-kahip/distinfo
+++ b/math/py-kahip/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1656203807
-SHA256 (KaHIP-KaHIP-v3.14-19-g5956007_GH0.tar.gz) = c890983b9fd4ba2464526981c3677a63de9ea8d4e6c518e3140a9ee7a45cf99a
-SIZE (KaHIP-KaHIP-v3.14-19-g5956007_GH0.tar.gz) = 3061437
+TIMESTAMP = 1684917013
+SHA256 (KaHIP-KaHIP-v3.15_GH0.tar.gz) = 20760099370ddf7ecb2f92bfdb727def48f6428001165be6ce504264b9a99a0b
+SIZE (KaHIP-KaHIP-v3.15_GH0.tar.gz) = 3099456