diff --git a/print/R-cran-knitr/Makefile b/print/R-cran-knitr/Makefile
index c2c7c6f1d4ff..a49565acb0ff 100644
--- a/print/R-cran-knitr/Makefile
+++ b/print/R-cran-knitr/Makefile
@@ -1,23 +1,23 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 
 PORTNAME=	knitr
-PORTVERSION=	1.38
+PORTVERSION=	1.39
 CATEGORIES=	print
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	General-Purpose Package for Dynamic Report Generation in R
 
 LICENSE=	GPLv2+
 
 CRAN_DEPENDS=	R-cran-evaluate>=0.15:devel/R-cran-evaluate \
 		R-cran-highr>0:textproc/R-cran-highr \
 		R-cran-stringr>=0.6:textproc/R-cran-stringr \
 		R-cran-yaml>=2.1.19:textproc/R-cran-yaml \
 		R-cran-xfun>=0.29:misc/R-cran-xfun
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
 
 USES=	cran:auto-plist
 
 .include <bsd.port.mk>
diff --git a/print/R-cran-knitr/distinfo b/print/R-cran-knitr/distinfo
index 3a37a7641aa6..51118c25174f 100644
--- a/print/R-cran-knitr/distinfo
+++ b/print/R-cran-knitr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1648360272
-SHA256 (knitr_1.38.tar.gz) = d138e881414eed915cadcb8c82ffbbab002614f1d492cbf413cded255ab5e7ad
-SIZE (knitr_1.38.tar.gz) = 898373
+TIMESTAMP = 1651199191
+SHA256 (knitr_1.39.tar.gz) = c91a65edebdca779af7f7480fa6636667497c9291ad55d6efd982db0bb91ac72
+SIZE (knitr_1.39.tar.gz) = 898418