diff --git a/cad/py-pymtl/Makefile b/cad/py-pymtl/Makefile
index 296446c5cea9..d3ed6f56f115 100644
--- a/cad/py-pymtl/Makefile
+++ b/cad/py-pymtl/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	pymtl
-DISTVERSION=	3.1.15
+DISTVERSION=	3.1.16
 CATEGORIES=	cad python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 PKGNAMESUFFIX=	${PORTVERSION:R:R}
 DISTNAME=	${PORTNAME}${PORTVERSION:R:R}-${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python-based hardware generation, simulation, verification framework
 WWW=		https://github.com/pymtl/pymtl3
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	\
 		${PYTHON_PKGNAMEPREFIX}cffi>0:devel/py-cffi@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}greenlet>0:devel/py-greenlet@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}hypothesis>=4.18.1:devel/py-hypothesis@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}py>0:devel/py-py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}graphviz>0:graphics/py-graphviz@${PY_FLAVOR} \
 		verilator:cad/verilator \
 		yosys:cad/yosys
 
 USES=		python
 USE_PYTHON=	autoplist distutils pytest # 94 tests fail, see https://github.com/pymtl/pymtl3/issues/247
 
 BINARY_ALIAS=	g++=${CXX}
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/cad/py-pymtl/distinfo b/cad/py-pymtl/distinfo
index 7ae827557409..28d19dfd4dd0 100644
--- a/cad/py-pymtl/distinfo
+++ b/cad/py-pymtl/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1686520242
-SHA256 (pymtl3-3.1.15.tar.gz) = dfb1e7f625bfe280eb7bc7ca9bfa95a5f8b01b07eb4e8cd5d8f6af83d1faa885
-SIZE (pymtl3-3.1.15.tar.gz) = 349707
+TIMESTAMP = 1699065742
+SHA256 (pymtl3-3.1.16.tar.gz) = f0e1329c45fb8d42527714537ea734345dd69485b72fc3d22ef1d215a40b60f3
+SIZE (pymtl3-3.1.16.tar.gz) = 350199