diff --git a/www/rubygem-websocket-client-simple/Makefile b/www/rubygem-websocket-client-simple/Makefile
index 4945fa6c9ee7..fd9ad96b9b29 100644
--- a/www/rubygem-websocket-client-simple/Makefile
+++ b/www/rubygem-websocket-client-simple/Makefile
@@ -1,20 +1,22 @@
 PORTNAME=	websocket-client-simple
-PORTVERSION=	0.8.0
+PORTVERSION=	0.9.0
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Simple WebSocket client for Ruby
 WWW=		https://github.com/ruby-jp/websocket-client-simple
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-RUN_DEPENDS=	rubygem-event_emitter>=0:devel/rubygem-event_emitter \
+RUN_DEPENDS=	rubygem-base64>=0:converters/rubygem-base64 \
+		rubygem-event_emitter>=0:devel/rubygem-event_emitter \
+		rubygem-mutex_m>=0:devel/rubygem-mutex_m \
 		rubygem-websocket>=0:www/rubygem-websocket
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/www/rubygem-websocket-client-simple/distinfo b/www/rubygem-websocket-client-simple/distinfo
index 84e7f11b19d9..5c154e2a790b 100644
--- a/www/rubygem-websocket-client-simple/distinfo
+++ b/www/rubygem-websocket-client-simple/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1692212027
-SHA256 (rubygem/websocket-client-simple-0.8.0.gem) = 13a7086d79eec7a15fd5e982fb232b5a05d808d217a73112c8f30259146ef68c
-SIZE (rubygem/websocket-client-simple-0.8.0.gem) = 10752
+TIMESTAMP = 1735792379
+SHA256 (rubygem/websocket-client-simple-0.9.0.gem) = f9a37c5e4922b35a711e21e6d73ed1e25892efa47d183203ab2f5beb4e563109
+SIZE (rubygem/websocket-client-simple-0.9.0.gem) = 10752