diff --git a/dev-ruby/io-event/Manifest b/dev-ruby/io-event/Manifest
index 72079503eeb1d..6de7399ba6dda 100644
--- a/dev-ruby/io-event/Manifest
+++ b/dev-ruby/io-event/Manifest
@@ -4,3 +4,4 @@ DIST io-event-1.10.1.tar.gz 55429 BLAKE2B fbdb21a7dd01518798631c2240cfdd515428ae
 DIST io-event-1.11.0.tar.gz 63106 BLAKE2B 42f90d6069d4ba54f1f127ad9d1c9af900f942f0a94334b5d443c16d5ab1194e9fad83aa8551599e2255690c364c2468f62f6e06db299363e14747362b73f420 SHA512 390c08239af9c71548b4f6cd6679237b0d2bdd51fe4f9d06dbe4684eb37d4e2dc2ad5fd6b84d28d79f33c721d3c7bcd733e77583c7d07064ee0935732ccb71a9
 DIST io-event-1.11.2.tar.gz 63902 BLAKE2B 49a433818341e57d4c41e30b1075e4626f29cbaf7e2e5e12e2c452f43bc6b3a3add4f6090bb54396f4a979a58226a712e8bca374796d8c8a840aa4cf6afec693 SHA512 b24f644270b64e5588574b506fead1cd253a7c1838af61a80927b3e24924b02a465300f6ab1b9f83ebbe277f79a5e351f2e7dbfd880c7bd0708f46c4b544a811
 DIST io-event-1.12.0.tar.gz 80152 BLAKE2B 3cd424b58618fde341af0272027c35886f4dc4c0a5a30fd6099122ba92226dadf17990bb42cc00f275cf9ae028462ca3416a9c3a24baa6e5d3679e24480d7747 SHA512 79620fd6e39aec7b71f6fdb955f21b16c8d190fc9601dae9af18ac0b959ae3f7773fbe2e684d09edda0531bb785b3e99193c4e52beee851623f1928eccaac1c4
+DIST io-event-1.12.1.tar.gz 80167 BLAKE2B ac707b13fbbe177481e26fd3b1edf638be4e5c6e376c74e99e362d6c58dd8553a46f239ca143bc825809ca46e7130ad29ac2e02fdbd2937743b2ed682db428af SHA512 00c2001d3f01062991b1e041acaa3f4a6c2c8dd2dee25247bd59d1c9314f77470bdb83e25e1fe2a9f631d1e67bcd025dcb3a2158ee2e6ede1938362e32ed17a4
diff --git a/dev-ruby/io-event/io-event-1.12.1.ebuild b/dev-ruby/io-event/io-event-1.12.1.ebuild
new file mode 100644
index 0000000000000..e05cf6aea0ce5
--- /dev/null
+++ b/dev-ruby/io-event/io-event-1.12.1.ebuild
@@ -0,0 +1,36 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby32 ruby33 ruby34"
+
+RUBY_FAKEGEM_EXTENSIONS=(ext/extconf.rb)
+RUBY_FAKEGEM_EXTRADOC="readme.md"
+RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+RUBY_FAKEGEM_RECIPE_TEST="sus"
+
+inherit ruby-fakegem
+
+DESCRIPTION="An event loop"
+HOMEPAGE="https://github.com/socketry/io-event"
+SRC_URI="https://github.com/socketry/io-event/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~riscv ~sparc ~x86"
+IUSE="+io-uring"
+
+RDEPEND="io-uring? ( sys-libs/liburing:= )"
+DEPEND="${RDEPEND}"
+
+all_ruby_prepare() {
+	sed -i -E 's/require_relative "(.+)"/require File.expand_path("\1")/g' "${RUBY_FAKEGEM_GEMSPEC}" || die
+
+	# Avoid dependency on unpackaged covered package
+	rm -f config/sus.rb || die
+
+	if ! use io-uring ; then
+		sed -i -e "s:have_library('uring'):have_library('idonotexist_uring'):" ext/extconf.rb || die
+	fi
+}