diff --git a/devel/py-nbformat/Makefile b/devel/py-nbformat/Makefile
index 66cac52294b7..d9c5b0421ea4 100644
--- a/devel/py-nbformat/Makefile
+++ b/devel/py-nbformat/Makefile
@@ -1,6 +1,5 @@
 PORTNAME=	nbformat
-PORTVERSION=	5.1.2
-PORTREVISION=	1
+PORTVERSION=	5.1.3
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -20,10 +19,11 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-cov>=0:devel/py-pytest-cov@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}testpath>=0:devel/py-testpath@${PY_FLAVOR}
 
-NO_ARCH=	yes
 USES=		python:3.5+
 USE_PYTHON=	autoplist concurrent distutils
 
+NO_ARCH=	yes
+
 OPTIONS_DEFINE=	FASTJSON
 
 FASTJSON_DESC=		Fast validation with fastjsonschema
diff --git a/devel/py-nbformat/distinfo b/devel/py-nbformat/distinfo
index 404aef6fb17c..84460632842f 100644
--- a/devel/py-nbformat/distinfo
+++ b/devel/py-nbformat/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1611665727
-SHA256 (nbformat-5.1.2.tar.gz) = 1d223e64a18bfa7cdf2db2e9ba8a818312fc2a0701d2e910b58df66809385a56
-SIZE (nbformat-5.1.2.tar.gz) = 94402
+TIMESTAMP = 1624630218
+SHA256 (nbformat-5.1.3.tar.gz) = b516788ad70771c6250977c1374fcca6edebe6126fd2adb5a69aa5c2356fd1c8
+SIZE (nbformat-5.1.3.tar.gz) = 73703