diff --git a/net/rubygem-activestorage81/Makefile b/net/rubygem-activestorage81/Makefile
index e87095032c5c..e22505bc7cd7 100644
--- a/net/rubygem-activestorage81/Makefile
+++ b/net/rubygem-activestorage81/Makefile
@@ -1,27 +1,28 @@
 PORTNAME=	activestorage
 PORTVERSION=	8.1.3.1
+PORTREVISION=	1
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	81
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Attach cloud and local files in Rails applications
 WWW=		https://github.com/rails/rails/tree/main/activestorage \
 		https://rubyonrails.org/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/MIT-LICENSE
 
 RUN_DEPENDS=	rubygem-actionpack81>=${PORTVERSION}<${PORTVERSION}_99:www/rubygem-actionpack81 \
 		rubygem-activejob81>=${PORTVERSION}<${PORTVERSION}_99:devel/rubygem-activejob81 \
 		rubygem-activerecord81>=${PORTVERSION}<${PORTVERSION}_99:databases/rubygem-activerecord81 \
 		rubygem-activesupport81>=${PORTVERSION}<${PORTVERSION}_99:devel/rubygem-activesupport81 \
-		rubygem-marcel>=1.0<2:devel/rubygem-marcel
+		rubygem-marcel>=2.0<3:devel/rubygem-marcel
 
 USES=		gem
 
 NO_ARCH=	yes
 
 PORTSCOUT=	limit:^8\.1\.
 
 .include <bsd.port.mk>
diff --git a/net/rubygem-activestorage81/files/patch-gemspec b/net/rubygem-activestorage81/files/patch-gemspec
new file mode 100644
index 000000000000..5411f2a29d9f
--- /dev/null
+++ b/net/rubygem-activestorage81/files/patch-gemspec
@@ -0,0 +1,10 @@
+--- activestorage.gemspec.orig	2026-09-13 05:57:58 UTC
++++ activestorage.gemspec
+@@ -25,6 +25,6 @@ Gem::Specification.new do |s|
+   s.add_runtime_dependency(%q<actionpack>.freeze, ["= 8.1.3.1".freeze])
+   s.add_runtime_dependency(%q<activejob>.freeze, ["= 8.1.3.1".freeze])
+   s.add_runtime_dependency(%q<activerecord>.freeze, ["= 8.1.3.1".freeze])
+-  s.add_runtime_dependency(%q<marcel>.freeze, ["~> 1.0".freeze])
++  s.add_runtime_dependency(%q<marcel>.freeze, ["~> 2.0".freeze])
+ end
+