diff --git a/textproc/R-cran-yaml/Makefile b/textproc/R-cran-yaml/Makefile
index a267aa60beea..a32626efde26 100644
--- a/textproc/R-cran-yaml/Makefile
+++ b/textproc/R-cran-yaml/Makefile
@@ -1,15 +1,15 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 
 PORTNAME=	yaml
-PORTVERSION=	2.2.2
+PORTVERSION=	2.3.4
 CATEGORIES=	textproc
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	Methods to convert R data to YAML and back
 
 LICENSE=	BSD3CLAUSE
 
 USES=	cran:auto-plist,compiles
 
 .include <bsd.port.mk>
diff --git a/textproc/R-cran-yaml/distinfo b/textproc/R-cran-yaml/distinfo
index ee0241467276..b22081749f07 100644
--- a/textproc/R-cran-yaml/distinfo
+++ b/textproc/R-cran-yaml/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1643196079
-SHA256 (yaml_2.2.2.tar.gz) = a5dc6aba2719eb4422bdd7d3a7b2223bbb00e4470fa234d8c5b3a6835d99f730
-SIZE (yaml_2.2.2.tar.gz) = 92926
+TIMESTAMP = 1645373510
+SHA256 (yaml_2.3.4.tar.gz) = cb2625ada9996ebadd24930dae89fff6523366f82d07757e8b0ed260a0ff72a6
+SIZE (yaml_2.3.4.tar.gz) = 94474