diff --git a/math/R-cran-NMF/Makefile b/math/R-cran-NMF/Makefile
index d97ae3fdb153..23c3a01bfa34 100644
--- a/math/R-cran-NMF/Makefile
+++ b/math/R-cran-NMF/Makefile
@@ -1,31 +1,38 @@
 PORTNAME=	NMF
 DISTVERSION=	0.28
+PORTREVISION=	1
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	eduardo@FreeBSD.org
 COMMENT=	Algorithms and Framework for Nonnegative Matrix Factorization
-WWW=		https://cran.r-project.org/web/packages/NMF/
+WWW=		https://cran.r-project.org/package=NMF
 
 LICENSE=	GPLv2+
 
-CRAN_DEPENDS=	R-cran-pkgmaker>=0.20:devel/R-cran-pkgmaker \
-		R-cran-registry>0:devel/R-cran-registry \
-		R-cran-rngtools>=1.2.3:devel/R-cran-rngtools \
-		R-cran-stringr>=1.0.0:textproc/R-cran-stringr \
-		R-cran-digest>0:security/R-cran-digest \
-		R-cran-gridBase>0:graphics/R-cran-gridBase \
+CRAN_DEPENDS=	R-cran-Biobase>0:biology/R-cran-Biobase \
+		R-cran-BiocManager>0:biology/R-cran-BiocManager \
 		R-cran-colorspace>0:graphics/R-cran-colorspace \
-		R-cran-RColorBrewer>0:graphics/R-cran-RColorBrewer \
-		R-cran-foreach>0:devel/R-cran-foreach \
+		R-cran-digest>0:security/R-cran-digest \
 		R-cran-doParallel>0:devel/R-cran-doParallel \
+		R-cran-foreach>0:devel/R-cran-foreach \
 		R-cran-ggplot2>0:graphics/R-cran-ggplot2 \
+		R-cran-gridBase>0:graphics/R-cran-gridBase \
+		R-cran-pkgmaker>=0.20:devel/R-cran-pkgmaker \
+		R-cran-RColorBrewer>0:graphics/R-cran-RColorBrewer \
+		R-cran-registry>0:devel/R-cran-registry \
 		R-cran-reshape2>0:devel/R-cran-reshape2 \
-		R-cran-BiocManager>0:biology/R-cran-BiocManager \
-		R-cran-Biobase>0:biology/R-cran-Biobase
+		R-cran-rngtools>=1.2.3:devel/R-cran-rngtools \
+		R-cran-stringr>=1.0.0:textproc/R-cran-stringr
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
+TEST_DEPENDS=	R-cran-knitr>0:print/R-cran-knitr
 
 USES=		cran:auto-plist,compiles
 
+pre-test:
+# R-cran-corpcor package does not exist yet
+	@${LOCALBASE}/bin/Rscript -e 'install.packages("corpcor", \
+		repos = "https://cloud.r-project.org")'
+
 .include <bsd.port.mk>