diff --git a/devel/ruby-io-event/Makefile b/devel/ruby-io-event/Makefile
index 535495f1988a..7277dea795eb 100644
--- a/devel/ruby-io-event/Makefile
+++ b/devel/ruby-io-event/Makefile
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.17 2024/06/12 17:01:34 taca Exp $
+# $NetBSD: Makefile,v 1.18 2024/06/15 15:48:41 taca Exp $
 
-DISTNAME=	io-event-1.6.2
+DISTNAME=	io-event-1.6.4
 CATEGORIES=	devel
 
 MAINTAINER=	pkgsrc-users@NetBSD.org
diff --git a/devel/ruby-io-event/distinfo b/devel/ruby-io-event/distinfo
index d8acb26552d8..83071b19093c 100644
--- a/devel/ruby-io-event/distinfo
+++ b/devel/ruby-io-event/distinfo
@@ -1,5 +1,5 @@
-$NetBSD: distinfo,v 1.15 2024/06/12 17:01:34 taca Exp $
+$NetBSD: distinfo,v 1.16 2024/06/15 15:48:41 taca Exp $
 
-BLAKE2s (io-event-1.6.2.gem) = 022a8d8b18560a93095810a3249645f4995ca047268e069caf1fb08b90159c2e
-SHA512 (io-event-1.6.2.gem) = 174138769b247b6af7b2ae51fe226465d9bbbcaa4a539da1cf575b0c585376eb47a38b500398908f18ece7d090cee9045026d35d3d5209c685fd4a2570dcbe7b
-Size (io-event-1.6.2.gem) = 40448 bytes
+BLAKE2s (io-event-1.6.4.gem) = 3ee31c56612d691324622e966ce6a13c8540bf881ed93739286f77f82d326c9c
+SHA512 (io-event-1.6.4.gem) = de64ab3a205dba05ae88ce23e1d2342d5a18bacad1b5bb8c005fc7a0540345f2a91be2b8991a5e3837f407c0bcf3150c34176a756e2e42e182f7bb3891bf54c8
+Size (io-event-1.6.4.gem) = 40448 bytes