diff --git a/devel/rubygem-json/Makefile b/devel/rubygem-json/Makefile
index 3d7b11c36018..d6362e14b376 100644
--- a/devel/rubygem-json/Makefile
+++ b/devel/rubygem-json/Makefile
@@ -1,18 +1,18 @@
 PORTNAME=	json
-PORTVERSION=	2.11.3
+PORTVERSION=	2.12.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	JSON implementation as a Ruby extension in C
 WWW=		https://ruby.github.io/json/ \
 		https://github.com/ruby/json/releases
 
 LICENSE=	BSD2CLAUSE RUBY
 LICENSE_COMB=	dual
 LICENSE_FILE_BSD2CLAUSE=${WRKSRC}/BSDL
 LICENSE_FILE_RUBY=	${WRKSRC}/COPYING
 
 USES=		gem
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-json/distinfo b/devel/rubygem-json/distinfo
index fffd171d5e7b..8768863fd1ce 100644
--- a/devel/rubygem-json/distinfo
+++ b/devel/rubygem-json/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1745936358
-SHA256 (rubygem/json-2.11.3.gem) = 9a10f658a2de67c0eb837eb795dd48132ce797c403e52b5ebef87dcdc7f9ccc1
-SIZE (rubygem/json-2.11.3.gem) = 70656
+TIMESTAMP = 1747716342
+SHA256 (rubygem/json-2.12.0.gem) = b30fce000756de94c756679c7e57ed41f03f8cc8dde2d2dc00a7c44005da0a50
+SIZE (rubygem/json-2.12.0.gem) = 75264