diff --git a/devel/rubygem-io-event-gitlab/Makefile b/devel/rubygem-io-event-gitlab/Makefile
index cd3c401655fe..98bc5f7fef8e 100644
--- a/devel/rubygem-io-event-gitlab/Makefile
+++ b/devel/rubygem-io-event-gitlab/Makefile
@@ -1,17 +1,17 @@
 PORTNAME=	io-event
-PORTVERSION=	1.16.4
+PORTVERSION=	1.21.1
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	-gitlab
 
 MAINTAINER=	mfechner@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-gitlab/distinfo b/devel/rubygem-io-event-gitlab/distinfo
index 86a4eed1658d..fa80d12ae5c4 100644
--- a/devel/rubygem-io-event-gitlab/distinfo
+++ b/devel/rubygem-io-event-gitlab/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1784182478
-SHA256 (rubygem/io-event-1.16.4.gem) = 98b04e3a5e374fe0ce20f69956d435a3430335920544e3c1a492bdf37c4bf6d6
-SIZE (rubygem/io-event-1.16.4.gem) = 57856
+TIMESTAMP = 1789632680
+SHA256 (rubygem/io-event-1.21.1.gem) = b3088f89ad67edf9be9fc2f48a5fae0790e92862487551eeb337b49098eb99e6
+SIZE (rubygem/io-event-1.21.1.gem) = 65024