diff --git a/devel/py-grpc-google-iam-v1/Makefile b/devel/py-grpc-google-iam-v1/Makefile
index 13aac499417f0..138ee470e4e55 100644
--- a/devel/py-grpc-google-iam-v1/Makefile
+++ b/devel/py-grpc-google-iam-v1/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	grpc-google-iam-v1
-PORTVERSION=	0.12.4
+PORTVERSION=	0.12.6
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -12,9 +12,10 @@ LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}googleapis-common-protos>=1.56.0<2.0.0:devel/py-googleapis-common-protos@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}grpcio>=1.0.0<2.0.0:devel/py-grpcio@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}grpcio>=1.44.0<2.0.0:devel/py-grpcio@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}protobuf>=4.21.6,1:devel/py-protobuf@${PY_FLAVOR}
 
-USES=		python:3.5+
+USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
diff --git a/devel/py-grpc-google-iam-v1/distinfo b/devel/py-grpc-google-iam-v1/distinfo
index 0aee63b577834..9fe1cda6ec5ad 100644
--- a/devel/py-grpc-google-iam-v1/distinfo
+++ b/devel/py-grpc-google-iam-v1/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1650228764
-SHA256 (grpc-google-iam-v1-0.12.4.tar.gz) = 3f0ac2c940b9a855d7ce7e31fde28bddb0d9ac362d32d07c67148306931a0e30
-SIZE (grpc-google-iam-v1-0.12.4.tar.gz) = 17767
+TIMESTAMP = 1684104406
+SHA256 (grpc-google-iam-v1-0.12.6.tar.gz) = 2bc4b8fdf22115a65d751c9317329322602c39b7c86a289c9b72d228d960ef5f
+SIZE (grpc-google-iam-v1-0.12.6.tar.gz) = 17760