diff --git a/devel/rubygem-io-event/Makefile b/devel/rubygem-io-event/Makefile
index ac80fbd1d25f..52f1542b8381 100644
--- a/devel/rubygem-io-event/Makefile
+++ b/devel/rubygem-io-event/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	io-event
-PORTVERSION=	1.3.3
+PORTVERSION=	1.4.3
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
@@ -9,6 +9,8 @@ WWW=		https://github.com/socketry/io-event
 
 LICENSE=	MIT
 
+BROKEN_RUBY30=	yes
+
 USES=		gem
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-io-event/distinfo b/devel/rubygem-io-event/distinfo
index 740d11bed142..856ec9ce9d3d 100644
--- a/devel/rubygem-io-event/distinfo
+++ b/devel/rubygem-io-event/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1698341249
-SHA256 (rubygem/io-event-1.3.3.gem) = 350d7e95a9dcdcf20ffad24f73efb309cc0b8a144e234fcf67ca32b63d4726be
-SIZE (rubygem/io-event-1.3.3.gem) = 37376
+TIMESTAMP = 1708450426
+SHA256 (rubygem/io-event-1.4.3.gem) = 6f8eada5958a27aa6904dc7176ba00f050173b1653136d649fee832efed3ac2a
+SIZE (rubygem/io-event-1.4.3.gem) = 37376
diff --git a/devel/rubygem-io-event/files/patch-ext-io-event-selector-selector.h b/devel/rubygem-io-event/files/patch-ext-io-event-selector-selector.h
deleted file mode 100644
index c064f3a0300e..000000000000
--- a/devel/rubygem-io-event/files/patch-ext-io-event-selector-selector.h
+++ /dev/null
@@ -1,10 +0,0 @@
---- ext/io/event/selector/selector.h.orig	2023-10-30 05:01:49 UTC
-+++ ext/io/event/selector/selector.h
-@@ -33,6 +33,7 @@
- #define RUBY_FIBER_SCHEDULER_VERSION 1
- #endif
- 
-+#include <sys/wait.h>
- #include <time.h>
- 
- enum IO_Event {