diff --git a/devel/py-google-cloud-iam/Makefile b/devel/py-google-cloud-iam/Makefile
index e36230d33275..a10dfebf942e 100644
--- a/devel/py-google-cloud-iam/Makefile
+++ b/devel/py-google-cloud-iam/Makefile
@@ -1,29 +1,28 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	google-cloud-iam
-PORTVERSION=	2.5.0
+PORTVERSION=	2.5.1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	IAM Service Account Credentials API client library
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}google-api-core>=1.26.0<3.0.0:www/py-google-api-core@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}packaging>=14.3:devel/py-packaging@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}google-api-core>=1.28.0<3.0.0:www/py-google-api-core@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}proto-plus>=0.4.0:devel/py-proto-plus@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 OPTIONS_DEFINE=	FIXUP
 FIXUP_DESC=	1.0 to 2.0 fixer script
 
 FIXUP_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}libcst>=0.2.5:devel/py-libcst@${PY_FLAVOR}
 
 .include <bsd.port.mk>
diff --git a/devel/py-google-cloud-iam/distinfo b/devel/py-google-cloud-iam/distinfo
index 131e30636eca..aa990775469e 100644
--- a/devel/py-google-cloud-iam/distinfo
+++ b/devel/py-google-cloud-iam/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1635730961
-SHA256 (google-cloud-iam-2.5.0.tar.gz) = e8c39d137d9ec0fe780f72b24999b8b47b1f948e38f242b51d609a0fd241b5bf
-SIZE (google-cloud-iam-2.5.0.tar.gz) = 34604
+TIMESTAMP = 1636117256
+SHA256 (google-cloud-iam-2.5.1.tar.gz) = b26294d02b14b40586eceb099a0e3a74265ae10a3f46fd49890cac55ad5f861f
+SIZE (google-cloud-iam-2.5.1.tar.gz) = 33917