diff --git a/devel/py-aniso8601/Makefile b/devel/py-aniso8601/Makefile
index 3b1b0a5f1cd7..66b5a08fe57a 100644
--- a/devel/py-aniso8601/Makefile
+++ b/devel/py-aniso8601/Makefile
@@ -1,22 +1,20 @@
 # $FreeBSD$
 
 PORTNAME=	aniso8601
-PORTVERSION=	4.1.0
+PORTVERSION=	9.0.1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	rm@FreeBSD.org
 COMMENT=	Library for parsing ISO 8601 strings
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dateutil>0:devel/py-dateutil@${PY_FLAVOR}
-
 USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-aniso8601/distinfo b/devel/py-aniso8601/distinfo
index e2800cf2d0a2..305fdefd2122 100644
--- a/devel/py-aniso8601/distinfo
+++ b/devel/py-aniso8601/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1547399956
-SHA256 (aniso8601-4.1.0.tar.gz) = 03c0ffeeb04edeca1ed59684cc6836dc377f58e52e315dc7be3af879909889f4
-SIZE (aniso8601-4.1.0.tar.gz) = 39902
+TIMESTAMP = 1616595986
+SHA256 (aniso8601-9.0.1.tar.gz) = 72e3117667eedf66951bb2d93f4296a56b94b078a8a95905a052611fb3f1b973
+SIZE (aniso8601-9.0.1.tar.gz) = 47345