diff --git a/ruby-gdk3.cygport b/ruby-gdk3.cygport
index 87658c7..80dad01 100644
--- a/ruby-gdk3.cygport
+++ b/ruby-gdk3.cygport
@@ -1,12 +1,15 @@
 inherit rubygem
 
 NAME="ruby-gdk3"
-VERSION=3.2.9
+VERSION=4.1.7
 RELEASE=1
 CATEGORY="Ruby"
 SUMMARY="Ruby GDK3 bindings"
 DESCRIPTION="Ruby/GDK3 is a Ruby binding of GDK-3.x."
-HOMEPAGE="http://ruby-gnome2.sourceforge.jp/"
+HOMEPAGE="https://ruby-gnome.github.io/"
+
+BUILD_REQUIRES="libgtk3-devel ruby-cairo-gobject-devel ruby-gdk_pixbuf2 ruby-glib2-devel ruby-native-package-installer ruby-pkg-config ruby-pango-devel"
+LICENSE="LGPL-2.1-or-later"
 
 ARCH=noarch