diff --git a/sysutils/rubygem-fluentd/Makefile b/sysutils/rubygem-fluentd/Makefile
index d3a31f4be9ab..c5c73d052424 100644
--- a/sysutils/rubygem-fluentd/Makefile
+++ b/sysutils/rubygem-fluentd/Makefile
@@ -1,5 +1,6 @@
 PORTNAME=	fluentd
 PORTVERSION=	1.19.0
+PORTREVISION=	1
 CATEGORIES=	sysutils rubygems
 MASTER_SITES=	RG
 
@@ -10,24 +11,23 @@ WWW=		https://fluentd.org/
 LICENSE=	APACHE20
 
 RUN_DEPENDS=	\
-	rubygem-async-http>=0.86:www/rubygem-async-http \
-	rubygem-base6402>=0.2<0.3:converters/rubygem-base6402 \
+	rubygem-async-http>=0.86<1:www/rubygem-async-http \
+	rubygem-base64>=0.2<1:converters/rubygem-base64 \
 	rubygem-bundler>=0:sysutils/rubygem-bundler \
 	rubygem-cool.io>=1.4.5<2.0.0:devel/rubygem-cool.io \
-	rubygem-csv>=3.2:devel/rubygem-csv \
-	rubygem-drb>=2.2<2.3:devel/rubygem-drb \
+	rubygem-csv>=3.2<4:devel/rubygem-csv \
+	rubygem-drb>=2.2<3:devel/rubygem-drb \
 	rubygem-fiddle>=1.1:devel/rubygem-fiddle \
 	rubygem-http_parser.rb>=0.5.1<0.9.0:net/rubygem-http_parser.rb \
-	rubygem-logger>=0.6:devel/rubygem-logger \
+	rubygem-logger>=1.6<2:devel/rubygem-logger \
 	rubygem-msgpack>=1.3.1<2.0.0:devel/rubygem-msgpack \
-	rubygem-oj>=3.16.10:devel/rubygem-oj \
-	rubygem-serverengine>=2.2.5<3.0.0:net/rubygem-serverengine \
+	rubygem-serverengine>=2.3.2<3.0.0:net/rubygem-serverengine \
 	rubygem-sigdump>=0.2.5<0.3:devel/rubygem-sigdump \
 	rubygem-strptime>=0.2.2<1.0.0:devel/rubygem-strptime \
-	rubygem-tzinfo1>=1.0<3.0:devel/rubygem-tzinfo1 \
+	rubygem-tzinfo>=1.0<3.0:devel/rubygem-tzinfo \
 	rubygem-tzinfo-data>=1.0<2:devel/rubygem-tzinfo-data \
 	rubygem-uri>=1.0<2:net/rubygem-uri \
-	rubygem-webrick>=1.4.2<1.10:www/rubygem-webrick \
+	rubygem-webrick>=1.4<2:www/rubygem-webrick \
 	rubygem-yajl-ruby>=1.0<2:devel/rubygem-yajl-ruby \
 	rubygem-zstd-ruby>=1.5<2:devel/rubygem-zstd-ruby