diff --git a/print/rubygem-ttfunk/Makefile b/print/rubygem-ttfunk/Makefile
index 439eac1c7fd7..1e059b4cfe4a 100644
--- a/print/rubygem-ttfunk/Makefile
+++ b/print/rubygem-ttfunk/Makefile
@@ -1,22 +1,23 @@
 PORTNAME=	ttfunk
 PORTVERSION=	1.8.0
+PORTREVISION=	1
 CATEGORIES=	print rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Font Metrics Parser for the Prawn PDF generator
 WWW=		https://github.com/prawnpdf/ttfunk
 
 LICENSE=	RUBY GPLv2 GPLv3
 LICENSE_COMB=	dual
 LICENSE_FILE_GPLv2=	${WRKSRC}/GPLv2
 LICENSE_FILE_GPLv3=	${WRKSRC}/GPLv3
 LICENSE_FILE_RUBY=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	rubygem-bigdecimal>=3.1<4:math/rubygem-bigdecimal
+RUN_DEPENDS=	rubygem-bigdecimal>=3.1<5:math/rubygem-bigdecimal
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/print/rubygem-ttfunk/files/patch-gemspec b/print/rubygem-ttfunk/files/patch-gemspec
new file mode 100644
index 000000000000..8b69a5fd27e0
--- /dev/null
+++ b/print/rubygem-ttfunk/files/patch-gemspec
@@ -0,0 +1,11 @@
+--- ttfunk.gemspec.orig	2025-12-29 04:22:42 UTC
++++ ttfunk.gemspec
+@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
+ 
+   s.specification_version = 4
+ 
+-  s.add_runtime_dependency(%q<bigdecimal>.freeze, ["~> 3.1".freeze])
++  s.add_runtime_dependency(%q<bigdecimal>.freeze, [">= 3.1".freeze, "< 5".freeze])
+   s.add_development_dependency(%q<prawn-dev>.freeze, ["~> 0.4.0".freeze])
+ end
+