diff --git a/extra/ruby/PKGBUILD b/extra/ruby/PKGBUILD
index 5b11983fa..bd792fb65 100644
--- a/extra/ruby/PKGBUILD
+++ b/extra/ruby/PKGBUILD
@@ -7,20 +7,17 @@
 #  - patch to fix running ruby on v5 (#705)
 
 pkgname=('ruby' 'ruby-docs')
-pkgver=2.1.5
+pkgver=2.2.0
 pkgrel=1
 arch=('i686' 'x86_64')
 url='http://www.ruby-lang.org/en/'
 license=('BSD' 'custom')
-# disable ruby tk since 1.9.3 it has caused a segfault on require 'tk'
-# https://bugs.ruby-lang.org/issues/8000
-# wait for upstream to start supporting tk 8.6
-makedepends=('gdbm' 'openssl' 'libffi' 'doxygen' 'graphviz' 'libyaml' 'ttf-dejavu') # 'tk'
-options=('!emptydirs' '!makeflags' 'staticlibs')
+makedepends=('gdbm' 'openssl' 'libffi' 'doxygen' 'graphviz' 'libyaml' 'ttf-dejavu' 'tk')
+options=('!emptydirs' 'staticlibs')
 source=("http://cache.ruby-lang.org/pub/ruby/${pkgver:0:3}/ruby-${pkgver}.tar.xz"
         'gemrc'
         '0002-Use-only-unsigned-long-for-rb_serial_t.patch')
-sha1sums=('52f8bafb4349eaf32fb99ba3d71e46fd924af966'
+sha1sums=('e54ae7ca6dc2da7d1edf0cc4f147beacfcbc7464'
           'de4b760b7e2cd9af88ca67536ce37b950f1ee514'
           '21a73f5a6009c038c14119864289d79c16545256')
 
@@ -49,7 +46,10 @@ check() {
 package_ruby() {
   pkgdesc='An object-oriented language for quick and easy programming'
   depends=('gdbm' 'openssl' 'libffi' 'libyaml' 'gmp' 'zlib')
-  optdepends=('ruby-docs: Ruby documentation') # 'tk: for Ruby/TK'
+  optdepends=(
+      'ruby-docs: Ruby documentation'
+      'tk: for Ruby/TK'
+  )
   provides=('rubygems' 'rake')
   conflicts=('rake')
   backup=('etc/gemrc')