diff --git a/README.md b/README.md
index da75e4d9eb0fedc01ee8ff9ed3892e18cacde3e0..2d4b128fc96310c29cf837b69894b441f481f3cf 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Status](http://cpt-obvious.ethercasts.com:8010/buildstatusimage?builder=go-ether
 
 Ethereum Go Client © 2014 Jeffrey Wilcke.
 
-Current state: Proof of Concept 0.6.3.
+Current state: Proof of Concept 0.6.4.
 
 For the development package please see the [eth-go package](https://github.com/ethereum/eth-go).