diff --git a/math/py-lmfit/Makefile b/math/py-lmfit/Makefile
index 9a50d1c66908..50d1fde9d90c 100644
--- a/math/py-lmfit/Makefile
+++ b/math/py-lmfit/Makefile
@@ -1,29 +1,31 @@
 PORTNAME=	lmfit
 DISTVERSION=	1.2.0
+PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Least-squares Minimization with bounds and constraints
 WWW=		https://lmfit.github.io/lmfit-py/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 PY_DEPENDS=	${PYTHON_PKGNAMEPREFIX}asteval>=0.9.22:devel/py-asteval@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}dill>0:devel/py-dill@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.4:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}uncertainties>=3.0.1:math/py-uncertainties@${PY_FLAVOR}
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>0:devel/py-setuptools_scm@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR} \
 		${PY_DEPENDS}
 RUN_DEPENDS=	${PY_DEPENDS}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numdifftools>0:math/py-numdifftools@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	pep517 autoplist pytest # 18 tests fail, upstream says that that's ok, see https://github.com/lmfit/lmfit-py/issues/861
+USE_PYTHON=	pep517 autoplist pytest # 1 test fails, see https://github.com/lmfit/lmfit-py/issues/861
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>