diff --git a/Formula/mono.rb b/Formula/mono.rb
index 1ac0a2509b..c713105aca 100644
--- a/Formula/mono.rb
+++ b/Formula/mono.rb
@@ -1,8 +1,8 @@
 class Mono < Formula
   desc "Cross platform, open source .NET development framework"
   homepage "http://www.mono-project.com/"
-  url "http://download.mono-project.com/sources/mono/mono-4.0.1.44.tar.bz2"
-  sha256 "eaf5bd9d19818cb89483b3c9cae2ee3569643fd621560da036f6a49f6b3e3a6f"
+  url "http://download.mono-project.com/sources/mono/mono-4.0.2.5.tar.bz2"
+  sha256 "b074584eea5bbaaf29362486a69d70abe53d0d2feb334f231fa9c841cf6fd651"
 
   # xbuild requires the .exe files inside the runtime directories to
   # be executable
@@ -15,8 +15,8 @@ class Mono < Formula
   end
 
   resource "monolite" do
-    url "http://storage.bos.xamarin.com/mono-dist-4.0.0-release/79/7975f5090d8b0d266dc0ba824295d92edd8873da/monolite-117-latest.tar.gz"
-    sha256 "7c48200e4c8bdfe890a0b5301975feac0b2fc6797e6accd00e7a366edbba92e7"
+    url "http://storage.bos.xamarin.com/mono-dist-4.0.0-release/c1/c1b37f29b1a439acf7ef42a384550ab1dca5295a/monolite-117-latest.tar.gz"
+    sha256 "a3bd1c826186e4896193ad1f909bf8756f66f62d1e249fe301b10bc80ebe0795"
   end
 
   def install