diff --git a/devel/rubygem-scientist/Makefile b/devel/rubygem-scientist/Makefile
index c2c70640eed1..4fe30838055b 100644
--- a/devel/rubygem-scientist/Makefile
+++ b/devel/rubygem-scientist/Makefile
@@ -1,17 +1,17 @@
 PORTNAME=	scientist
-PORTVERSION=	1.6.0
+PORTVERSION=	1.6.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	mfechner@FreeBSD.org
 COMMENT=	Library for carefully refactoring critical paths
 WWW=		https://github.com/github/scientist
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-scientist/distinfo b/devel/rubygem-scientist/distinfo
index 4c4e57ee1055..0480e1229f7f 100644
--- a/devel/rubygem-scientist/distinfo
+++ b/devel/rubygem-scientist/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1616307395
-SHA256 (rubygem/scientist-1.6.0.gem) = d78dbf79c2c414462cb7529286a91a6848819c78e7d41376ab7437aad2e4744a
-SIZE (rubygem/scientist-1.6.0.gem) = 23552
+TIMESTAMP = 1701865339
+SHA256 (rubygem/scientist-1.6.4.gem) = 88283c5e582d1894ea2ac175ef975d6b4e9ae0a8ed2c61f6f39ca799ec32ee11
+SIZE (rubygem/scientist-1.6.4.gem) = 25600