diff --git a/devel/rubygem-debase-ruby_core_source/Makefile b/devel/rubygem-debase-ruby_core_source/Makefile
index d2005a231de8..008a2f4aa60f 100644
--- a/devel/rubygem-debase-ruby_core_source/Makefile
+++ b/devel/rubygem-debase-ruby_core_source/Makefile
@@ -1,17 +1,17 @@
 PORTNAME=	debase-ruby_core_source
-PORTVERSION=	3.4.1
+PORTVERSION=	4.0.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Provide Ruby core source files for C extensions that need them
 WWW=		https://github.com/ruby-debug/debase-ruby_core_source
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-debase-ruby_core_source/distinfo b/devel/rubygem-debase-ruby_core_source/distinfo
index f0626fb8d705..e94aa73b4302 100644
--- a/devel/rubygem-debase-ruby_core_source/distinfo
+++ b/devel/rubygem-debase-ruby_core_source/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1744289266
-SHA256 (rubygem/debase-ruby_core_source-3.4.1.gem) = 6f07df1f905bcf206403b1d8e07f0706b041ff70491dfd10e3b69a175b958698
-SIZE (rubygem/debase-ruby_core_source-3.4.1.gem) = 4662784
+TIMESTAMP = 1768626659
+SHA256 (rubygem/debase-ruby_core_source-4.0.0.gem) = 8b30d299a27fd828b6610a5396e49df96ab9e3b20caef5327e6cdab22a860c42
+SIZE (rubygem/debase-ruby_core_source-4.0.0.gem) = 4925952