diff --git a/devel/rubygem-irb/Makefile b/devel/rubygem-irb/Makefile
index c1f01d3a233e..d70c343efe93 100644
--- a/devel/rubygem-irb/Makefile
+++ b/devel/rubygem-irb/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	irb
-PORTVERSION=	1.14.3
+PORTVERSION=	1.15.1
 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-rdoc>=4.0.0:devel/rubygem-rdoc \
+RUN_DEPENDS=	rubygem-pp>=0.6.0:devel/rubygem-pp \
+		rubygem-rdoc>=4.0.0:devel/rubygem-rdoc \
 		rubygem-reline>=0.4.2: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 2da9c952281b..4c3ecc6efcbb 100644
--- a/devel/rubygem-irb/distinfo
+++ b/devel/rubygem-irb/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1734602331
-SHA256 (rubygem/irb-1.14.3.gem) = c457f1f2f1438ae9ce5c5be3981ae2138dec7fb894c7d73777eeeb0a6c0d0752
-SIZE (rubygem/irb-1.14.3.gem) = 97792
+TIMESTAMP = 1738090268
+SHA256 (rubygem/irb-1.15.1.gem) = d9bca745ac4207a8b728a52b98b766ca909b86ff1a504bcde3d6f8c84faae890
+SIZE (rubygem/irb-1.15.1.gem) = 88576