diff --git a/ethereum.rb b/ethereum.rb
index 4536fbca..3ce9cd45 100644
--- a/ethereum.rb
+++ b/ethereum.rb
@@ -1,7 +1,7 @@
 class Ethereum < Formula
   desc "Official Go implementation of the Ethereum protocol"
   homepage "https://github.com/ethereum/go-ethereum"
-  url "https://github.com/ethereum/go-ethereum.git", :tag => "v1.8.27"
+  url "https://github.com/ethereum/go-ethereum.git", :tag => "v1.9.0"
 
   devel do
     url "https://github.com/ethereum/go-ethereum.git", :branch => "master"