diff --git a/Formula/kawa.rb b/Formula/kawa.rb
index ba5552f90a..76f37f3a91 100644
--- a/Formula/kawa.rb
+++ b/Formula/kawa.rb
@@ -6,6 +6,12 @@ class Kawa < Formula
   mirror 'http://ftp.gnu.org/gnu/kawa/kawa-1.14.jar'
   sha1 '87354829bfb28649c771d011769cf79fac5b2621'
 
+  devel do
+    url 'http://ftpmirror.gnu.org/kawa/kawa-1.90.jar'
+    mirror 'http://ftp.gnu.org/gnu/kawa/kawa-1.90.jar'
+    sha1 '19f63dd5f4a170fbd94e37908edc5e85fa365c44'
+  end
+
   def install
     prefix.install "kawa-#{version}.jar"
     (bin+'kawa').write <<-EOS.undent