diff --git a/devel/rubygem-mcp/Makefile b/devel/rubygem-mcp/Makefile
index c68bbf13e57b..9e9076bf04ae 100644
--- a/devel/rubygem-mcp/Makefile
+++ b/devel/rubygem-mcp/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	mcp
-PORTVERSION=	0.10.0
+PORTVERSION=	0.13.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Official Ruby SDK for Model Context Protocol servers and clients
 WWW=		https://github.com/modelcontextprotocol/ruby-sdk
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	rubygem-json-schema>=4.1:devel/rubygem-json-schema
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-mcp/distinfo b/devel/rubygem-mcp/distinfo
index 652d00b8aa1d..101bcea01e32 100644
--- a/devel/rubygem-mcp/distinfo
+++ b/devel/rubygem-mcp/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587796
-SHA256 (rubygem/mcp-0.10.0.gem) = 09b9231eb16dff75cc7b8a95817c8acfcf4d1cab8d34f350671e43e765242b57
-SIZE (rubygem/mcp-0.10.0.gem) = 39424
+TIMESTAMP = 1776864244
+SHA256 (rubygem/mcp-0.13.0.gem) = 8e5e72ec9cc8d37b048e41a4b469689c5897b4768843ef8e5eb36fa8897eb1d5
+SIZE (rubygem/mcp-0.13.0.gem) = 48128