diff --git a/codex-rs/Cargo.toml b/codex-rs/Cargo.toml
index c72b7c7844..b8298b495d 100644
--- a/codex-rs/Cargo.toml
+++ b/codex-rs/Cargo.toml
@@ -121,7 +121,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.0.0"
+version = "0.139.0-alpha.2"
 # Track the edition for all workspace crates in one place. Individual
 # crates can still override this value, but keeping it here means new
 # crates created with `cargo new -w ...` automatically inherit the 2024