diff --git a/beacon_node/beacon_chain/src/beacon_chain.rs b/beacon_node/beacon_chain/src/beacon_chain.rs
index a383ea458..06f0a3dbd 100644
--- a/beacon_node/beacon_chain/src/beacon_chain.rs
+++ b/beacon_node/beacon_chain/src/beacon_chain.rs
@@ -39,7 +39,7 @@ use types::*;
 // Must be 32-bytes or panic.
 //
 //                          |-------must be this long------|
-pub const GRAFFITI: &str = "sigp/lighthouse-0.1.0-prerelease";
+pub const GRAFFITI: &str = "sigp/lighthouse-0.1.1-prerelease";
 
 /// If true, everytime a block is processed the pre-state, post-state and block are written to SSZ
 /// files in the temp directory.
diff --git a/lighthouse/Cargo.toml b/lighthouse/Cargo.toml
index dd1ab7ce5..134f6719f 100644
--- a/lighthouse/Cargo.toml
+++ b/lighthouse/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lighthouse"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["Sigma Prime <contact@sigmaprime.io>"]
 edition = "2018"