diff --git a/math/R-cran-units/Makefile b/math/R-cran-units/Makefile
index de30d1867de8..7ce204190e0f 100644
--- a/math/R-cran-units/Makefile
+++ b/math/R-cran-units/Makefile
@@ -1,22 +1,24 @@
 PORTNAME=	units
-DISTVERSION=	0.8-5
+DISTVERSION=	0.8-6
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	eduardo@FreeBSD.org
 COMMENT=	Measurement Units for R Vectors
 WWW=		https://cran.r-project.org/package=units
 
 LICENSE=	GPLv2
 
 CRAN_DEPENDS=	R-cran-Rcpp>=0.12.10:devel/R-cran-Rcpp
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 LIB_DEPENDS=	libexpat.so:textproc/expat2 \
 		libudunits2.so:science/udunits
 RUN_DEPENDS=	${CRAN_DEPENDS}
-TEST_DEPENDS=	R-cran-testthat>0:devel/R-cran-testthat
-# Tests fails: https://github.com/r-quantities/units/issues/354
+TEST_DEPENDS=	R-cran-knitr>0:print/R-cran-knitr \
+		R-cran-testthat>0:devel/R-cran-testthat
 
 USES=		cran:auto-plist,compiles
 
+TESTING_UNSAFE=	https://github.com/r-quantities/units/issues/354
+
 .include <bsd.port.mk>
diff --git a/math/R-cran-units/distinfo b/math/R-cran-units/distinfo
index 42d1e953f73d..8ac4a74d67ef 100644
--- a/math/R-cran-units/distinfo
+++ b/math/R-cran-units/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1701504449
-SHA256 (units_0.8-5.tar.gz) = d95e80af760b053e10a1e33ce1f0c1280a84e84bd4b1d9c34d1fe9fc153603b1
-SIZE (units_0.8-5.tar.gz) = 247974
+TIMESTAMP = 1741515869
+SHA256 (units_0.8-6.tar.gz) = f2eaaf5d670ac8c92a103d6b9be825492550200c23450d339baf3bf359e33260
+SIZE (units_0.8-6.tar.gz) = 350970