diff --git a/science/py-kliff/Makefile b/science/py-kliff/Makefile
index fe41f2cd09bf..f87da9e2f890 100644
--- a/science/py-kliff/Makefile
+++ b/science/py-kliff/Makefile
@@ -1,30 +1,30 @@
 PORTNAME=	kliff
-DISTVERSION=	0.3.3
+DISTVERSION=	0.4.0
 CATEGORIES=	science python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	KIM-based Learning-Integrated Fitting Framework
 
 LICENSE=	CDDL
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pybind11>0:devel/py-pybind11@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}loguru>0:devel/py-loguru@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}monty>0:devel/py-monty@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pybind11>0:devel/py-pybind11@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>0:devel/py-yaml@${PY_FLAVOR}
 
 USES=		compiler:c++11-lang python:3.6+
 USE_PYTHON=	distutils autoplist
 
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
 do-test: # tests fail with ImportErrors, complete list is unclear, see https://github.com/mjwen/kliff/issues/11
 	@cd ${WRKSRC} && \
 		${SETENV} ${MAKE_ENV} ${PYTHON_CMD} ${PYSETUP} test
 
 .include <bsd.port.mk>
diff --git a/science/py-kliff/distinfo b/science/py-kliff/distinfo
index 6aba931473e2..e983244609f7 100644
--- a/science/py-kliff/distinfo
+++ b/science/py-kliff/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1648347854
-SHA256 (kliff-0.3.3.tar.gz) = e144253734acbceb9c899c31fea90d9806ec2871d9c68198b253978f15d17d75
-SIZE (kliff-0.3.3.tar.gz) = 1969797
+TIMESTAMP = 1651258226
+SHA256 (kliff-0.4.0.tar.gz) = 707bdb2905cb8d0eba2f2b1f95c371500a2f96976d567a28e937931238cec54d
+SIZE (kliff-0.4.0.tar.gz) = 1917364