diff --git a/math/py-heyoka/Makefile b/math/py-heyoka/Makefile
index adc53017e0d4..9ea21e65d1b2 100644
--- a/math/py-heyoka/Makefile
+++ b/math/py-heyoka/Makefile
@@ -1,50 +1,50 @@
 PORTNAME=	heyoka
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.21.7
+DISTVERSION=	0.21.8
 CATEGORIES=	math
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python library for ODE integration via Taylor's method and LLVM
 WWW=		https://bluescarni.github.io/heyoka.py/
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	pybind11>0:devel/pybind11 \
 		${PYNUMPY}
 LIB_DEPENDS=	libboost_serialization.so:devel/boost-libs \
 		libfmt.so:devel/libfmt \
 		libgmp.so:math/gmp \
 		libheyoka.so:math/heyoka \
 		libmp++.so:math/mppp \
 		libmpc.so:math/mpc \
 		libmpfr.so:math/mpfr \
 		libtbb.so:devel/onetbb \
 		libspdlog.so:devel/spdlog
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}cloudpickle>0:devel/py-cloudpickle@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mpmath>0:math/py-mpmath@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sympy>0:math/py-sympy@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}matplotlib>0:math/py-matplotlib@${PY_FLAVOR}
 
 USES=		cmake compiler:c++17-lang python
 USE_PYTHON=	flavors
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	bluescarni
 GH_PROJECT=	${PORTNAME}.py
 
 CMAKE_ON=	HEYOKA_PY_ENABLE_IPO
 CMAKE_ARGS=	-DFREEBSD_PYTHON_DISTVERSION=${PYTHON_DISTVERSION:R} \
 		-DPython3_EXECUTABLE=${PYTHON_CMD}
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 do-test:
 	# testsuite based on instructions in https://bluescarni.github.io/heyoka.py/install.html#verifying-the-installation
 	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} -c "import heyoka; heyoka.test.run_test_suite();"
 	# integrate and plot an example
 	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} ${FILESDIR}/example-restricted-three-body-problem.py
 
 .include <bsd.port.mk>
diff --git a/math/py-heyoka/distinfo b/math/py-heyoka/distinfo
index 279af0dbba9f..72d0ff38145e 100644
--- a/math/py-heyoka/distinfo
+++ b/math/py-heyoka/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1687195183
-SHA256 (bluescarni-heyoka.py-v0.21.7_GH0.tar.gz) = 133b5b4c56b6fd75ebbeef7acefea601971d106c97ceb8ae713453ea782c2f13
-SIZE (bluescarni-heyoka.py-v0.21.7_GH0.tar.gz) = 102255263
+TIMESTAMP = 1688453006
+SHA256 (bluescarni-heyoka.py-v0.21.8_GH0.tar.gz) = 99f0cb8a674bd5b30cdac028e059ce7080206c77d613f235bed98165c6a91db0
+SIZE (bluescarni-heyoka.py-v0.21.8_GH0.tar.gz) = 102255016