diff --git a/devel/rubygem-grpc-google-iam-v1/Makefile b/devel/rubygem-grpc-google-iam-v1/Makefile
index ac4e065711b91..f06033b09f258 100644
--- a/devel/rubygem-grpc-google-iam-v1/Makefile
+++ b/devel/rubygem-grpc-google-iam-v1/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	grpc-google-iam-v1
-PORTVERSION=	1.4.0
+PORTVERSION=	1.6.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
diff --git a/devel/rubygem-grpc-google-iam-v1/distinfo b/devel/rubygem-grpc-google-iam-v1/distinfo
index 3324f7f4505ba..1103729ac0ccd 100644
--- a/devel/rubygem-grpc-google-iam-v1/distinfo
+++ b/devel/rubygem-grpc-google-iam-v1/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1702028252
-SHA256 (rubygem/grpc-google-iam-v1-1.4.0.gem) = 6377c4acc0591a8bcef986c281daddf4a04cf6e77e018ec6954cd2e821ce71db
-SIZE (rubygem/grpc-google-iam-v1-1.4.0.gem) = 13312
+TIMESTAMP = 1708450424
+SHA256 (rubygem/grpc-google-iam-v1-1.6.0.gem) = ea4e651c331aa7ccf728d85af0c408e1189114268ae2fcea59b08d295274efd8
+SIZE (rubygem/grpc-google-iam-v1-1.6.0.gem) = 13312