diff --git a/devel/py-marshmallow/Makefile b/devel/py-marshmallow/Makefile
index a8a9aec11884..7abc73a30bdd 100644
--- a/devel/py-marshmallow/Makefile
+++ b/devel/py-marshmallow/Makefile
@@ -1,23 +1,23 @@
 # Created by: Mark Felder <feld@FreeBSD.org>
 
 PORTNAME=	marshmallow
-PORTVERSION=	3.11.1
+PORTVERSION=	3.12.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Simplified object serialization for Python
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dateutil>=2.7.0:devel/py-dateutil@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}simplejson>=0:devel/py-simplejson@${PY_FLAVOR}
 
 USES=		python:3.5+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-marshmallow/distinfo b/devel/py-marshmallow/distinfo
index 94ff71a8bb56..b30c7dcf53e7 100644
--- a/devel/py-marshmallow/distinfo
+++ b/devel/py-marshmallow/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1619198511
-SHA256 (marshmallow-3.11.1.tar.gz) = 16e99cb7f630c0ef4d7d364ed0109ac194268dde123966076ab3dafb9ae3906b
-SIZE (marshmallow-3.11.1.tar.gz) = 173844
+TIMESTAMP = 1620928605
+SHA256 (marshmallow-3.12.0.tar.gz) = 77ce3097c06d93de37394e0e0bf217dacbb4eabe0b88129e315e10d8790b1354
+SIZE (marshmallow-3.12.0.tar.gz) = 174790