diff --git a/devel/rubygem-message_bus/Makefile b/devel/rubygem-message_bus/Makefile
index 6ab1bf535a75..bd3d427c681d 100644
--- a/devel/rubygem-message_bus/Makefile
+++ b/devel/rubygem-message_bus/Makefile
@@ -1,23 +1,23 @@
 PORTNAME=	message_bus
-PORTVERSION=	4.3.2
+PORTVERSION=	4.3.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Message bus for rack
 WWW=		https://github.com/discourse/message_bus
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	rubygem-rack>=1.1.3,3:www/rubygem-rack
 
 USES=		cpe gem shebangfix
 
 NO_ARCH=	yes
 
 CPE_VENDOR=	discourse
 
 SHEBANG_FILES=	examples/chat/docker_container/update_chat
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-message_bus/distinfo b/devel/rubygem-message_bus/distinfo
index cfac487fe740..9218b4ae7b87 100644
--- a/devel/rubygem-message_bus/distinfo
+++ b/devel/rubygem-message_bus/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1674590858
-SHA256 (rubygem/message_bus-4.3.2.gem) = c52e543af120cc6df3b1c070f6544264afbfc1920461d746032cac84a8d94c1d
-SIZE (rubygem/message_bus-4.3.2.gem) = 203776
+TIMESTAMP = 1688167286
+SHA256 (rubygem/message_bus-4.3.4.gem) = 8da3982c996e858dbb28249a49999e824cb87261e05ce73497647c02ab6f7621
+SIZE (rubygem/message_bus-4.3.4.gem) = 201728