diff --git a/science/R-cran-kernlab/Makefile b/science/R-cran-kernlab/Makefile
index e2635e0bdaa4..e9297f36d24a 100644
--- a/science/R-cran-kernlab/Makefile
+++ b/science/R-cran-kernlab/Makefile
@@ -1,16 +1,15 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 
 PORTNAME=	kernlab
-DISTVERSION=	0.9-29
-PORTREVISION=	1
+DISTVERSION=	0.9-30
 CATEGORIES=	science
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	Kernel-Based Machine Learning Lab
 
 LICENSE=	GPLv2
 
-USES=		cran:auto-plist,compiles
+USES=		compiler:c++11-lang cran:auto-plist,compiles
 
 .include <bsd.port.mk>
diff --git a/science/R-cran-kernlab/distinfo b/science/R-cran-kernlab/distinfo
index b3b5b9726ea8..5f60a1064166 100644
--- a/science/R-cran-kernlab/distinfo
+++ b/science/R-cran-kernlab/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1573660352
-SHA256 (kernlab_0.9-29.tar.gz) = c3da693a0041dd34f869e7b63a8d8cf7d4bc588ac601bcdddcf7d44f68b3106f
-SIZE (kernlab_0.9-29.tar.gz) = 1168376
+TIMESTAMP = 1649136886
+SHA256 (kernlab_0.9-30.tar.gz) = 48fc3a839ae57e8ab6ec26a34093ca3306391e7b271bef6e69812e2b4859ee81
+SIZE (kernlab_0.9-30.tar.gz) = 1036008