diff --git a/devel/rubygem-aws-sdk-managedgrafana/Makefile b/devel/rubygem-aws-sdk-managedgrafana/Makefile
index bd3025ccd9a4..3765a621bad0 100644
--- a/devel/rubygem-aws-sdk-managedgrafana/Makefile
+++ b/devel/rubygem-aws-sdk-managedgrafana/Makefile
@@ -1,20 +1,20 @@
 PORTNAME=	aws-sdk-managedgrafana
-PORTVERSION=	1.58.0
+PORTVERSION=	1.59.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Official AWS Ruby gem for Amazon Managed Grafana
 WWW=		https://github.com/aws/aws-sdk-ruby/tree/version-3/gems/aws-sdk-managedgrafana
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	rubygem-aws-sdk-core>=3.241.4<4:devel/rubygem-aws-sdk-core \
-		rubygem-aws-sigv4>=1.1<2:devel/rubygem-aws-sigv4
+		rubygem-aws-sigv4>=1.5<2:devel/rubygem-aws-sigv4
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-aws-sdk-managedgrafana/distinfo b/devel/rubygem-aws-sdk-managedgrafana/distinfo
index 788bce752d4a..889ccf783b3a 100644
--- a/devel/rubygem-aws-sdk-managedgrafana/distinfo
+++ b/devel/rubygem-aws-sdk-managedgrafana/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1769874956
-SHA256 (rubygem/aws-sdk-managedgrafana-1.58.0.gem) = c2888ec09708a07e397c0b1a54bdcaef9363dc746b6d086c893712b78eb9b671
-SIZE (rubygem/aws-sdk-managedgrafana-1.58.0.gem) = 52736
+TIMESTAMP = 1773152905
+SHA256 (rubygem/aws-sdk-managedgrafana-1.59.0.gem) = 398d03282162d1d70ffcc2de88b261798da908425a10c760fc815cf6b40691b1
+SIZE (rubygem/aws-sdk-managedgrafana-1.59.0.gem) = 53248