diff --git a/math/py-uncertainties/Makefile b/math/py-uncertainties/Makefile
index de09902ab520..8c01aeacb51a 100644
--- a/math/py-uncertainties/Makefile
+++ b/math/py-uncertainties/Makefile
@@ -1,21 +1,26 @@
 PORTNAME=	uncertainties
-DISTVERSION=	3.1.5
-PORTREVISION=	1
+DISTVERSION=	3.1.6
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Calculations with uncertainties on the quantities involved
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}future>0:devel/py-future@${PY_FLAVOR}
+TEST_DEPENDS=	${PYNUMPY} \
+		${PYTHON_PKGNAMEPREFIX}nose>0:devel/py-nose@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
+
 NO_ARCH=	yes
 
+do-test:
+	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} nosetests-${PYTHON_VER} -v
+
 .include <bsd.port.mk>
diff --git a/math/py-uncertainties/distinfo b/math/py-uncertainties/distinfo
index 0d09d0c1bac9..02a82049bb18 100644
--- a/math/py-uncertainties/distinfo
+++ b/math/py-uncertainties/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1605840380
-SHA256 (uncertainties-3.1.5.tar.gz) = 9122c1e7e074196883b4a7a946e8482807b2f89675cb5e3798b87e0608ede903
-SIZE (uncertainties-3.1.5.tar.gz) = 149411
+TIMESTAMP = 1627935297
+SHA256 (uncertainties-3.1.6.tar.gz) = 7c4db5aaafd227e95485b61fba5d235dc8133aeecd98f8fc1224c038ce063e2d
+SIZE (uncertainties-3.1.6.tar.gz) = 158419