diff --git a/devel/py-constantly/Makefile b/devel/py-constantly/Makefile
index 264cb1de63d0..680625a6fcac 100644
--- a/devel/py-constantly/Makefile
+++ b/devel/py-constantly/Makefile
@@ -1,19 +1,21 @@
 PORTNAME=	constantly
-PORTVERSION=	15.1.0
+PORTVERSION=	23.10.4
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Provides symbolic constant support to Python projects
 WWW=		https://pypi.org/project/constantly/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}versioneer>0:devel/py-versioneer@${PY_FLAVOR}
+
 USES=		python
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	distutils autoplist pytest
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-constantly/distinfo b/devel/py-constantly/distinfo
index b758f9d411f6..5e0b056d93d3 100644
--- a/devel/py-constantly/distinfo
+++ b/devel/py-constantly/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1478965100
-SHA256 (constantly-15.1.0.tar.gz) = 586372eb92059873e29eba4f9dec8381541b4d3834660707faf8ba59146dfc35
-SIZE (constantly-15.1.0.tar.gz) = 21465
+TIMESTAMP = 1734264149
+SHA256 (constantly-23.10.4.tar.gz) = aa92b70a33e2ac0bb33cd745eb61776594dc48764b06c35e0efd050b7f1c7cbd
+SIZE (constantly-23.10.4.tar.gz) = 13300
diff --git a/devel/py-constantly/files/patch-versioneer.py b/devel/py-constantly/files/patch-versioneer.py
deleted file mode 100644
index 70be6be98477..000000000000
--- a/devel/py-constantly/files/patch-versioneer.py
+++ /dev/null
@@ -1,14 +0,0 @@
---- versioneer.py.orig	2015-08-11 08:30:05 UTC
-+++ versioneer.py
-@@ -396,9 +396,9 @@ def get_config_from_root(root):
-     # configparser.NoOptionError (if it lacks "VCS="). See the docstring at
-     # the top of versioneer.py for instructions on writing your setup.cfg .
-     setup_cfg = os.path.join(root, "setup.cfg")
--    parser = configparser.SafeConfigParser()
-+    parser = configparser.ConfigParser()
-     with open(setup_cfg, "r") as f:
--        parser.readfp(f)
-+        parser.read_file(f)
-     VCS = parser.get("versioneer", "VCS")  # mandatory
- 
-     def get(parser, name):