diff --git a/textproc/R-cran-htmltools/Makefile b/textproc/R-cran-htmltools/Makefile
--- a/textproc/R-cran-htmltools/Makefile
+++ b/textproc/R-cran-htmltools/Makefile
@@ -16,6 +16,9 @@
 		R-cran-rlang>=0.4.10:devel/R-cran-rlang
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
+TEST_DEPENDS=	R-cran-markdown>0:textproc/R-cran-markdown \
+		R-cran-shiny>0:www/R-cran-shiny \
+		R-cran-testthat>0:devel/R-cran-testthat
 
 USES=		cran:auto-plist,compiles