diff --git a/Cargo.toml b/Cargo.toml
index c3833c7..95a29b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hypercore"
-version = "0.12.0"
+version = "0.12.1-alpha.1"
 license = "MIT OR Apache-2.0"
 description = "Secure, distributed, append-only log"
 documentation = "https://docs.rs/hypercore"