diff --git a/halo2_proofs/Cargo.toml b/halo2_proofs/Cargo.toml
index 59f58cd890..4c558e055f 100644
--- a/halo2_proofs/Cargo.toml
+++ b/halo2_proofs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "halo2-axiom"
-version = "0.4.2"
+version = "0.4.3"
 authors = [
     "Sean Bowe <sean@electriccoin.co>",
     "Ying Tong Lai <yingtong@electriccoin.co>",