diff --git a/devel/py-importlib-resources/Makefile b/devel/py-importlib-resources/Makefile
index 9c09ab6b72a6..042cb10214e9 100644
--- a/devel/py-importlib-resources/Makefile
+++ b/devel/py-importlib-resources/Makefile
@@ -1,5 +1,6 @@
 PORTNAME=	importlib-resources
 PORTVERSION=	5.4.0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -11,6 +12,8 @@ COMMENT=	Read resources from Python packages
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=3.4.1:devel/py-setuptools_scm@${PY_FLAVOR}
+
 USES=		python:3.6+
 USE_PYTHON=	autoplist distutils