diff --git a/www/rubygem-rdf/Makefile b/www/rubygem-rdf/Makefile
index 35c10e947fa6..aba34733ea4a 100644
--- a/www/rubygem-rdf/Makefile
+++ b/www/rubygem-rdf/Makefile
@@ -2,18 +2,18 @@
 # $FreeBSD$
 
 PORTNAME=	rdf
-PORTVERSION=	3.0.7
+PORTVERSION=	3.1.0
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
-MAINTAINER=	ruby@FreeBSD.org
+MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Pure-Ruby library for working with RDF data
 
 LICENSE=	UNLICENSE
 LICENSE_FILE=	${WRKSRC}/UNLICENSE
 
-RUN_DEPENDS=	rubygem-hamster>=3.0:devel/rubygem-hamster \
-		rubygem-link_header>=0.0.8:www/rubygem-link_header
+RUN_DEPENDS=	rubygem-hamster>=3.0<4:devel/rubygem-hamster \
+		rubygem-link_header>=0.0.8<1:www/rubygem-link_header
 
 USES=		gem
 USE_RUBY=	yes
diff --git a/www/rubygem-rdf/distinfo b/www/rubygem-rdf/distinfo
index a3b2cb9f3fb7..b92b9ed3c7e0 100644
--- a/www/rubygem-rdf/distinfo
+++ b/www/rubygem-rdf/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1543649655
-SHA256 (rubygem/rdf-3.0.7.gem) = 753f42ba99c227f61f966c59e1183fe3766d6177ec98ba1190298aa3c384629c
-SIZE (rubygem/rdf-3.0.7.gem) = 137216
+TIMESTAMP = 1577145899
+SHA256 (rubygem/rdf-3.1.0.gem) = c4642bc917f5034ca4f5fec682877520d815fddabb415153ece1b899580e5167
+SIZE (rubygem/rdf-3.1.0.gem) = 139776
diff --git a/www/rubygem-rdf/pkg-descr b/www/rubygem-rdf/pkg-descr
index eecc1202e1b7..00cba0128424 100644
--- a/www/rubygem-rdf/pkg-descr
+++ b/www/rubygem-rdf/pkg-descr
@@ -19,4 +19,4 @@ Features:
 * Performs auto-detection of input to select appropriate Reader class if one can
   not be determined from file characteristics.
 
-WWW: http://ruby-rdf.github.io/
+WWW: https://ruby-rdf.github.io/rdf/