diff --git a/devel/rubygem-io-event/Makefile b/devel/rubygem-io-event/Makefile
index 36856bcb7d6e..b1d4d12aca39 100644
--- a/devel/rubygem-io-event/Makefile
+++ b/devel/rubygem-io-event/Makefile
@@ -1,16 +1,16 @@
 PORTNAME=	io-event
-PORTVERSION=	1.8.3
+PORTVERSION=	1.9.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Event loop
 WWW=		https://socketry.github.io/io-event/ \
 		https://github.com/socketry/io-event
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/license.md
 
 USES=		gem
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-io-event/distinfo b/devel/rubygem-io-event/distinfo
index 32be4dd607cd..1a3b1f3700cf 100644
--- a/devel/rubygem-io-event/distinfo
+++ b/devel/rubygem-io-event/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1739663395
-SHA256 (rubygem/io-event-1.8.3.gem) = 8f7e03f5561fc299099c26ab538c3b01deb4d763e37fd48cd50e9b8659b35335
-SIZE (rubygem/io-event-1.8.3.gem) = 44032
+TIMESTAMP = 1739930278
+SHA256 (rubygem/io-event-1.9.0.gem) = 4c262b6610ad643a2be75e892135aca4fa67edc67d1944c0ae6b6e5dd73f4fc1
+SIZE (rubygem/io-event-1.9.0.gem) = 46592