diff --git a/textproc/rubygem-autoprefixer-rails/Makefile b/textproc/rubygem-autoprefixer-rails/Makefile
index 7580a648be06..61ed9ee163ed 100644
--- a/textproc/rubygem-autoprefixer-rails/Makefile
+++ b/textproc/rubygem-autoprefixer-rails/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	autoprefixer-rails
-PORTVERSION=	10.4.19.0
+PORTVERSION=	10.4.21.0
 CATEGORIES=	textproc ruby
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Parse CSS and add vendor prefixes to CSS rules
 WWW=		https://github.com/ai/autoprefixer-rails
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	rubygem-execjs>=2<3:devel/rubygem-execjs
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/rubygem-autoprefixer-rails/distinfo b/textproc/rubygem-autoprefixer-rails/distinfo
index 0a5722145dea..4fe7133dc021 100644
--- a/textproc/rubygem-autoprefixer-rails/distinfo
+++ b/textproc/rubygem-autoprefixer-rails/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1722798879
-SHA256 (rubygem/autoprefixer-rails-10.4.19.0.gem) = ccd21f47e5a07a581c7d239025e0d8d06a005825e96e06f72382d818fe665f4e
-SIZE (rubygem/autoprefixer-rails-10.4.19.0.gem) = 1168896
+TIMESTAMP = 1745178230
+SHA256 (rubygem/autoprefixer-rails-10.4.21.0.gem) = 71b48caf850fc25275abd96f0b1fdd51c82e1c9b99cd30085cacb05da9c70235
+SIZE (rubygem/autoprefixer-rails-10.4.21.0.gem) = 1174016