diff --git a/math/R-cran-units/Makefile b/math/R-cran-units/Makefile
index 51ed6896ada1..4ce36cc570ee 100644
--- a/math/R-cran-units/Makefile
+++ b/math/R-cran-units/Makefile
@@ -1,21 +1,22 @@
 PORTNAME=	units
-DISTVERSION=	0.8-3
+DISTVERSION=	0.8-4
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	eduardo@FreeBSD.org
 COMMENT=	Measurement Units for R Vectors
 WWW=		https://cran.r-project.org/web/packages/units/
 
 LICENSE=	GPLv2
 
 CRAN_DEPENDS=	R-cran-Rcpp>=0.12.10:devel/R-cran-Rcpp
 BUILD_DEPENDS=	${CRAN_DEPENDS}
-LIB_DEPENDS=	libudunits2.so:science/udunits
+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
 
 USES=		cran:auto-plist,compiles
 
 .include <bsd.port.mk>
diff --git a/math/R-cran-units/distinfo b/math/R-cran-units/distinfo
index f8aa5ca373ed..05e92ca1ff32 100644
--- a/math/R-cran-units/distinfo
+++ b/math/R-cran-units/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1691923174
-SHA256 (units_0.8-3.tar.gz) = f8c175e02eedcc6a09e8fd53214104e83ee5f72649d03bbc962ca54cab6747a8
-SIZE (units_0.8-3.tar.gz) = 247731
+TIMESTAMP = 1694883687
+SHA256 (units_0.8-4.tar.gz) = 499da1891e6167af42f501894444dcc9f5d8195017456bb6aca8aeec3515c7fc
+SIZE (units_0.8-4.tar.gz) = 248024