diff --git a/math/py-hdbscan/Makefile b/math/py-hdbscan/Makefile
index 80bd4fb4d3e3..4cb669eb1d3c 100644
--- a/math/py-hdbscan/Makefile
+++ b/math/py-hdbscan/Makefile
@@ -16,11 +16,11 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 BUILD_DEPENDS=	${PYNUMPY}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}joblib>=0:devel/py-joblib@${PY_FLAVOR} \
 		${PYNUMPY} \
-		${PYTHON_PKGNAMEPREFIX}scikit-learn>=0:science/py-scikit-learn@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}scipy>=0:science/py-scipy@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}scikit-learn>=0.17:science/py-scikit-learn@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}scipy>=0.9:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR}
 
 USES=		python:3.5+
-USE_PYTHON=	autoplist concurrent cython distutils
+USE_PYTHON=	autoplist cython distutils
 
 .include <bsd.port.mk>