diff --git a/Formula/riak.rb b/Formula/riak.rb
index 13d3d1209a..5feb9072ba 100644
--- a/Formula/riak.rb
+++ b/Formula/riak.rb
@@ -4,13 +4,13 @@ class Riak < Formula
   homepage 'http://wiki.basho.com/Riak.html'
 
   if Hardware.is_64_bit? and not build.build_32_bit?
-    url 'http://s3.amazonaws.com/downloads.basho.com/riak/1.3/1.3.0/osx/10.6/riak-1.3.0-osx-x86_64.tar.gz'
-    version '1.3.0-x86_64'
-    sha256 '912d724393253583b23df70b695eb6fb56838e3d35eeef8a2fb5360acf55bff9'
+    url 'http://s3.amazonaws.com/downloads.basho.com/riak/1.3/1.3.1/osx/10.6/riak-1.3.1-osx-x86_64.tar.gz'
+    version '1.3.1-x86_64'
+    sha256 'e7b4db2273ef3fc0ba76f37468ff040d94a9bdac90ed129e226e483b19451414'
   else
-    url 'http://s3.amazonaws.com/downloads.basho.com/riak/1.3/1.3.0/osx/10.6/riak-1.3.0-osx-i386.tar.gz'
-    version '1.3.0-i386'
-    sha256 '278454d8d0a08602b6b0c3d3c6e1d9f051fe2115f4c439663cc4b5ac65bdf2c5'
+    url 'http://s3.amazonaws.com/downloads.basho.com/riak/1.3/1.3.1/osx/10.6/riak-1.3.1-osx-i386.tar.gz'
+    version '1.3.1-i386'
+    sha256 '1169ddcbc1a613c734f3df7350b416e84c667faaae73b647d2fa696aa45bc085'
   end
 
   skip_clean 'libexec'