diff --git a/science/pynn/Makefile b/science/pynn/Makefile
index 3c74a2c27e67..f524f44a1db5 100644
--- a/science/pynn/Makefile
+++ b/science/pynn/Makefile
@@ -1,26 +1,28 @@
 PORTNAME=	pynn
-PORTVERSION=	0.12.2
+PORTVERSION=	0.12.3
 CATEGORIES=	science python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	PyNN-${PORTVERSION}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Simulator-independent language for building neuronal network models
 WWW=		https://neuralensemble.org/PyNN
 
 LICENSE=	CeCILL
 LICENSE_NAME=	CeCILL Free Software License Version 2.0
 LICENSE_FILE=	${WRKSRC}/LICENSE
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 BUILD_DEPENDS=	${PYNUMPY}
 RUN_DEPENDS=	${PYNUMPY}
 
+WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
+
 NO_ARCH=	yes
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 PYDISTUTILS_PKGNAME=	PyNN
 
 .include <bsd.port.mk>
diff --git a/science/pynn/distinfo b/science/pynn/distinfo
index 8ef83437a6e9..807eb0644a15 100644
--- a/science/pynn/distinfo
+++ b/science/pynn/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1708679064
-SHA256 (PyNN-0.12.2.tar.gz) = 8039b68e3e5f98b537038c249dc42c027bd63f9ecc015c82f1f88bd30dfa28a9
-SIZE (PyNN-0.12.2.tar.gz) = 522125
+TIMESTAMP = 1715154234
+SHA256 (PyNN-0.12.3.tar.gz) = e196f9055c46fe5c0e23f491815d16dca8db9be599a226ee11fa67605cab153d
+SIZE (PyNN-0.12.3.tar.gz) = 521282