diff --git a/devel/py-scheduler/Makefile b/devel/py-scheduler/Makefile
index 30fb97d2f557..fca5b4ab5057 100644
--- a/devel/py-scheduler/Makefile
+++ b/devel/py-scheduler/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	scheduler
-DISTVERSION=	0.8.3
+DISTVERSION=	0.8.4
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -13,7 +13,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}typeguard>=2.6.0:devel/py-typeguard@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.9+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
diff --git a/devel/py-scheduler/distinfo b/devel/py-scheduler/distinfo
index 7624e0de0107..6b279f1cce44 100644
--- a/devel/py-scheduler/distinfo
+++ b/devel/py-scheduler/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1678439868
-SHA256 (scheduler-0.8.3.tar.gz) = b2c490a6b5e4bfe452d9a993ecbb259f3638520a2d8e5f44ea2ccf14b8c75a56
-SIZE (scheduler-0.8.3.tar.gz) = 28185
+TIMESTAMP = 1679891512
+SHA256 (scheduler-0.8.4.tar.gz) = 5ae5181d8462d89307bdae588b47f290a2fb7e3fa1073650354e01eb87a265f4
+SIZE (scheduler-0.8.4.tar.gz) = 28168