diff --git a/devel/rubygem-irb/Makefile b/devel/rubygem-irb/Makefile
index 75472033eafd..4270d89fa232 100644
--- a/devel/rubygem-irb/Makefile
+++ b/devel/rubygem-irb/Makefile
@@ -1,26 +1,27 @@
 PORTNAME=	irb
-PORTVERSION=	1.7.4
+PORTVERSION=	1.8.0
 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>=0.3.6:devel/rubygem-reline
+RUN_DEPENDS=	rubygem-rdoc>=6.5<7:devel/rubygem-rdoc \
+		rubygem-reline>=0.3.6: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 9cf52bc1153c..922f6220a185 100644
--- a/devel/rubygem-irb/distinfo
+++ b/devel/rubygem-irb/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1689521952
-SHA256 (rubygem/irb-1.7.4.gem) = c80e2b259f8d2277adaae4bc9a0e6d0f5a9d9578c1a15728b6180f3941500c95
-SIZE (rubygem/irb-1.7.4.gem) = 78336
+TIMESTAMP = 1693824069
+SHA256 (rubygem/irb-1.8.0.gem) = 2f5e1ada186747b11e0a3ccbf65637c090ad2ccbfaf5c9bbd76169a8db747179
+SIZE (rubygem/irb-1.8.0.gem) = 83456