diff --git a/archivers/py-zlib-ng/Makefile b/archivers/py-zlib-ng/Makefile
index 56097616f41b..e8c707294e31 100644
--- a/archivers/py-zlib-ng/Makefile
+++ b/archivers/py-zlib-ng/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	zlib-ng
-DISTVERSION=	0.5.0
+DISTVERSION=	0.5.1
 CATEGORIES=	archivers python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
diff --git a/archivers/py-zlib-ng/distinfo b/archivers/py-zlib-ng/distinfo
index ccd50ee778b2..42f8c0e90bf8 100644
--- a/archivers/py-zlib-ng/distinfo
+++ b/archivers/py-zlib-ng/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1723465710
-SHA256 (zlib_ng-0.5.0.tar.gz) = 3322c4300253a054af3d3aafa2f3858dceee3a577810122ba55eff756bf35ef2
-SIZE (zlib_ng-0.5.0.tar.gz) = 2436336
+TIMESTAMP = 1727264547
+SHA256 (zlib_ng-0.5.1.tar.gz) = 32a46649e8efc21ddd74776a55366a8d8be4e3a95b93dc1f0ffe3880718990d9
+SIZE (zlib_ng-0.5.1.tar.gz) = 2436421