diff --git a/doc/overview.edoc b/doc/overview.edoc
index 92b0715..2587cf4 100644
--- a/doc/overview.edoc
+++ b/doc/overview.edoc
@@ -1,5 +1,5 @@
 @author Craig Everett <craigeverett@qpq.swiss> [https://git.qpq.swiss/QPQ-AG/hakuzaru]
-@version 0.8.0
+@version 0.9.0
 @title Hakuzaru: Gajumaru blockchain bindings for Erlang
 
 @doc