diff --git a/print/R-cran-knitr/Makefile b/print/R-cran-knitr/Makefile
index 5447b68b7e67..9d0e594f0278 100644
--- a/print/R-cran-knitr/Makefile
+++ b/print/R-cran-knitr/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	knitr
-PORTVERSION=	1.27
+PORTVERSION=	1.28
 CATEGORIES=	print
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
diff --git a/print/R-cran-knitr/distinfo b/print/R-cran-knitr/distinfo
index 52c8948a79a9..326d87bb9bc4 100644
--- a/print/R-cran-knitr/distinfo
+++ b/print/R-cran-knitr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1579343187
-SHA256 (knitr_1.27.tar.gz) = af3de6a30cae709d81ee8f559a9ace0d3cd27d2a2de850469b6077d3edd3de0a
-SIZE (knitr_1.27.tar.gz) = 884850
+TIMESTAMP = 1581401267
+SHA256 (knitr_1.28.tar.gz) = 05ee01da31d715bf24793efb3e4ef3bb3101ef1e1ab2d760c645fc5b9d40232a
+SIZE (knitr_1.28.tar.gz) = 884866