diff --git a/devel/py-grpcio-tools/Makefile b/devel/py-grpcio-tools/Makefile
index 6367b828e2a4..2bcfdb433fef 100644
--- a/devel/py-grpcio-tools/Makefile
+++ b/devel/py-grpcio-tools/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	grpcio-tools
-PORTVERSION=	1.65.4
+PORTVERSION=	1.66.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	grpcio_tools-${PORTVERSION}
 
 MAINTAINER=	vanilla@FreeBSD.org
 COMMENT=	Protobuf code generator for gRPC
 WWW=		https://pypi.org/project/grpcio-tools/
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}grpcio>1:devel/py-grpcio@${PY_FLAVOR}
 LIB_DEPENDS=	libcares.so:dns/c-ares
 
 USES=		compiler:c++11-lang localbase:ldflags python
 USE_PYTHON=	autoplist distutils
 CFLAGS+=	-DHAVE_PTHREAD=1
 LDFLAGS+=	-lcares
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/grpc_tools/_protoc_compiler*.so
 
 .include <bsd.port.mk>
diff --git a/devel/py-grpcio-tools/distinfo b/devel/py-grpcio-tools/distinfo
index 9cef691d4b47..5e002d7f549b 100644
--- a/devel/py-grpcio-tools/distinfo
+++ b/devel/py-grpcio-tools/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1723085168
-SHA256 (grpcio_tools-1.65.4.tar.gz) = 638486d9ebf68a847f59dad0480292142a3c5143a2943bce7721c3ce9f665148
-SIZE (grpcio_tools-1.65.4.tar.gz) = 5029391
+TIMESTAMP = 1724409247
+SHA256 (grpcio_tools-1.66.0.tar.gz) = 6e111f73f400d64b8dc32f5dab67c5e806c290eb2658fecdbfc44c2bb1020efc
+SIZE (grpcio_tools-1.66.0.tar.gz) = 5134272