diff --git a/textproc/py-TatSu/Makefile b/textproc/py-TatSu/Makefile
index 55bf38a32cb3..4459a3881db4 100644
--- a/textproc/py-TatSu/Makefile
+++ b/textproc/py-TatSu/Makefile
@@ -1,36 +1,36 @@
 PORTNAME=	TatSu
 DISTVERSIONPREFIX=	v
-DISTVERSION=	5.13.2
+DISTVERSION=	5.15.1
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Generate Python parsers from grammars in a variation of EBNF
 WWW=		https://tatsu.readthedocs.io/en/stable/ \
 		https://github.com/neogeny/TatSu
 
 LICENSE=	BSD4CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PY_SETUPTOOLS} \
 		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		python:3.11+
 USE_PYTHON=	pep517 concurrent autoplist pytest
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	neogeny
 
 NO_ARCH=	yes
 
 POST_PLIST+=	fix-plist
 
 post-install: # workaround https://github.com/neogeny/TatSu/issues/333
 	@${RM} -r ${STAGEDIR}${PYTHON_SITELIBDIR}/test
 
 fix-plist:
 	${REINPLACE_CMD} -e 's|^.*/test/.*$$||' ${TMPPLIST}
 
-# tests as of version 5.13.2: 141 passed, 2 skipped, 2 warnings in 60.29s (0:01:00)
+# tests as of version 5.15.1: 142 passed, 2 skipped, 2 warnings in 10.17s
 
 .include <bsd.port.mk>
diff --git a/textproc/py-TatSu/distinfo b/textproc/py-TatSu/distinfo
index fc8a758f24ab..e9b53bf8bc14 100644
--- a/textproc/py-TatSu/distinfo
+++ b/textproc/py-TatSu/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1758869030
-SHA256 (neogeny-TatSu-v5.13.2_GH0.tar.gz) = fbbc466aae62871f6fac38159c04fc45be38b15f1f4d1a260dfc0d5542a1f58b
-SIZE (neogeny-TatSu-v5.13.2_GH0.tar.gz) = 175188
+TIMESTAMP = 1767595645
+SHA256 (neogeny-TatSu-v5.15.1_GH0.tar.gz) = f6bc53a9304d1a4e28e06264c1926aa801c03a9018115702545a1d833fda1322
+SIZE (neogeny-TatSu-v5.15.1_GH0.tar.gz) = 177292