diff --git a/textproc/rubygem-psych/Makefile b/textproc/rubygem-psych/Makefile
index c0c1165ea496..7a170c727f65 100644
--- a/textproc/rubygem-psych/Makefile
+++ b/textproc/rubygem-psych/Makefile
@@ -1,19 +1,19 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	psych
-PORTVERSION=	3.3.1
+PORTVERSION=	4.0.0
 CATEGORIES=	textproc rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	YAML parser and emitter
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libyaml.so:textproc/libyaml
 
 USES=		gem
 USE_RUBY=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/rubygem-psych/distinfo b/textproc/rubygem-psych/distinfo
index 61249ec9807e..c3a78bc52bb5 100644
--- a/textproc/rubygem-psych/distinfo
+++ b/textproc/rubygem-psych/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1614794458
-SHA256 (rubygem/psych-3.3.1.gem) = 2a01e5eb59b1a80d287f0b5e3c980eca5e5609c811eb7f7ee0f7564254dac48a
-SIZE (rubygem/psych-3.3.1.gem) = 93184
+TIMESTAMP = 1621183260
+SHA256 (rubygem/psych-4.0.0.gem) = 08603aba1fb1974de3e8353016d5a12e0300a6a801bd63fd786369d43a78dcd0
+SIZE (rubygem/psych-4.0.0.gem) = 93184