diff --git a/.SRCINFO b/.SRCINFO
index 46501a36aa0..99f8e1368ae 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,14 +1,17 @@
 pkgbase = ignition-math
 	pkgdesc = Math classes and functions for robot applications
 	pkgver = 6.4.0
-	pkgrel = 1
+	pkgrel = 2
 	url = http://ignitionrobotics.org/
 	arch = i686
 	arch = x86_64
 	groups = development
 	license = Apache
 	makedepends = ignition-cmake>=2
+	makedepends = ruby<=2.7
+	makedepends = ruby>=2.6
 	depends = gcc-libs
+	optdepends = eigen
 	source = https://bitbucket.org/ignitionrobotics/ign-math/get/ignition-math6_6.4.0.tar.bz2
 	sha256sums = 5463d2ee5202ad60965a613361c1b12e34d3a8c49ad9037b16120f89b0250745
 
diff --git a/PKGBUILD b/PKGBUILD
index ce2fa224871..030fb2c20c2 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,15 +2,15 @@
 # Contributor: Mykola Dolhyi <0xb000@gmail.com>
 pkgname=ignition-math
 pkgver=6.4.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Math classes and functions for robot applications"
 arch=('i686' 'x86_64')
 url="http://ignitionrobotics.org/"
 license=('Apache')
 groups=('development')
 depends=('gcc-libs')
-makedepends=('ignition-cmake>=2')
-optdepends=()
+makedepends=('ignition-cmake>=2' 'ruby<=2.7' 'ruby>=2.6')
+optdepends=('eigen')
 conflicts=()
 source=("https://bitbucket.org/ignitionrobotics/ign-math/get/${pkgname}6_${pkgver}.tar.bz2")
 sha256sums=('5463d2ee5202ad60965a613361c1b12e34d3a8c49ad9037b16120f89b0250745')