diff --git a/devel/rubygem-irb/Makefile b/devel/rubygem-irb/Makefile
index 8dc6cd8961ed..93f3b295a12a 100644
--- a/devel/rubygem-irb/Makefile
+++ b/devel/rubygem-irb/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	irb
-PORTVERSION=	1.6.3
+PORTVERSION=	1.6.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Interactive Ruby
 WWW=		https://github.com/ruby/irb
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	rubygem-reline>=0.3.0:devel/rubygem-reline
 
 USES=		gem
 
 NO_ARCH=	yes
 
 PLIST_FILES=	bin/irb \
 		share/man/man1/irb.1.gz
 
 post-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/man/man1
 	${INSTALL_DATA} ${WRKSRC}/man/irb.1 ${STAGEDIR}${PREFIX}/share/man/man1
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-irb/distinfo b/devel/rubygem-irb/distinfo
index 6172ab58cb4c..7b378c934406 100644
--- a/devel/rubygem-irb/distinfo
+++ b/devel/rubygem-irb/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1678176181
-SHA256 (rubygem/irb-1.6.3.gem) = c38127769ee1f9733a63e9526a2c40accdb693e64424147612e08f5dec013ac1
-SIZE (rubygem/irb-1.6.3.gem) = 79360
+TIMESTAMP = 1681053052
+SHA256 (rubygem/irb-1.6.4.gem) = a6140ee7895ef1e842a15033643a2857f74f0a6c200c5fbe6c4d453da4c24412
+SIZE (rubygem/irb-1.6.4.gem) = 78336