diff --git a/devel/R-cran-systemfonts/Makefile b/devel/R-cran-systemfonts/Makefile
index 520e3ab3e357..cc3dae05e287 100644
--- a/devel/R-cran-systemfonts/Makefile
+++ b/devel/R-cran-systemfonts/Makefile
@@ -1,22 +1,25 @@
 PORTNAME=	systemfonts
-DISTVERSION=	1.1.0
+DISTVERSION=	1.2.1
 CATEGORIES=	devel
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	einar@isnic.is
 COMMENT=	System Native Font Finding
 WWW=		https://systemfonts.r-lib.org/
 
 LICENSE=	MIT
 
 CRAN_DEPENDS=	R-cran-cpp11>=0.2.1:devel/R-cran-cpp11 \
+		R-cran-jsonlite>0:converters/R-cran-jsonlite \
 		R-cran-lifecycle>0:devel/R-cran-lifecycle
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 RUN_DEPENDS=	${CRAN_DEPENDS}
-TEST_DEPENDS=	R-cran-testthat>=2.1.0:devel/R-cran-testthat
+TEST_DEPENDS=	R-cran-knitr>0:print/R-cran-knitr \
+		R-cran-testthat>=2.1.0:devel/R-cran-testthat
 
+TESTING_UNSAFE=	Test is non-deterministic
 USES=		cran:auto-plist,compiles pkgconfig
 
 .include <bsd.port.mk>
diff --git a/devel/R-cran-systemfonts/distinfo b/devel/R-cran-systemfonts/distinfo
index cd231496c1c6..8213feb659ca 100644
--- a/devel/R-cran-systemfonts/distinfo
+++ b/devel/R-cran-systemfonts/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1715775551
-SHA256 (systemfonts_1.1.0.tar.gz) = 1941069bd20320284ec026a38c53cb736be60bda431303ceaf8fd27ae13fb644
-SIZE (systemfonts_1.1.0.tar.gz) = 85584
+TIMESTAMP = 1737371411
+SHA256 (systemfonts_1.2.1.tar.gz) = 0dd1116bd214756aa460de4a2d9ed87273ac32904a089601e1be4788f708776a
+SIZE (systemfonts_1.2.1.tar.gz) = 101773