diff --git a/textproc/R-cran-bibtex/Makefile b/textproc/R-cran-bibtex/Makefile
index b21c101d75e4..b37623b6a04b 100644
--- a/textproc/R-cran-bibtex/Makefile
+++ b/textproc/R-cran-bibtex/Makefile
@@ -1,19 +1,18 @@
 PORTNAME=	bibtex
-DISTVERSION=	0.4.2.3
-PORTREVISION=	1
+DISTVERSION=	0.5.1
 CATEGORIES=	textproc
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	Bibtex Parser
 WWW=		https://cran.r-project.org/web/packages/bibtex/
 
 LICENSE=	GPLv2+
 
-CRAN_DEPENDS=	R-cran-stringr>0:textproc/R-cran-stringr
+CRAN_DEPENDS=	R-cran-backports>=1.4.0:math/R-cran-backports
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
 
 USES=		cran:auto-plist,compiles
 
 .include <bsd.port.mk>
diff --git a/textproc/R-cran-bibtex/distinfo b/textproc/R-cran-bibtex/distinfo
index cb93b1ab3c86..985ed0c5a968 100644
--- a/textproc/R-cran-bibtex/distinfo
+++ b/textproc/R-cran-bibtex/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1600781399
-SHA256 (bibtex_0.4.2.3.tar.gz) = 7bad194920b412781ac9754ad41058d52d3cd7186e1851c2bce3640490e9bc6d
-SIZE (bibtex_0.4.2.3.tar.gz) = 91011
+TIMESTAMP = 1682485974
+SHA256 (bibtex_0.5.1.tar.gz) = f3c1a0a4e666c4addd73ff13ce8ce073d73d10ebca36d333328ade8a0b493ed1
+SIZE (bibtex_0.5.1.tar.gz) = 79311