diff --git a/devel/rubygem-main/Makefile b/devel/rubygem-main/Makefile
index 4e242d5f76c8..bd1a9d8bb695 100644
--- a/devel/rubygem-main/Makefile
+++ b/devel/rubygem-main/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	main
-PORTVERSION=	6.3.0
+PORTVERSION=	6.4.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
diff --git a/devel/rubygem-main/distinfo b/devel/rubygem-main/distinfo
index 248ab8bd20d2..9b5f8dd4dcd9 100644
--- a/devel/rubygem-main/distinfo
+++ b/devel/rubygem-main/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1675192027
-SHA256 (rubygem/main-6.3.0.gem) = ebd573133ab3707e2b43710de79f03bde7f10d41b86f2ba75e93da1482b04897
-SIZE (rubygem/main-6.3.0.gem) = 42496
+TIMESTAMP = 1744289436
+SHA256 (rubygem/main-6.4.0.gem) = 6e7973576414987099726337d07cec3ed427a44fafaf5f9156417a78191d7e97
+SIZE (rubygem/main-6.4.0.gem) = 42496