diff --git a/src/rust/rust-stream/Cargo.toml b/src/rust/rust-stream/Cargo.toml
index c0a3608..8ac456f 100644
--- a/src/rust/rust-stream/Cargo.toml
+++ b/src/rust/rust-stream/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-stream"
-version = "4.0"
+version = "4.0.0"
 authors = ["Wei-Chen Lin <wl14928@bristol.ac.uk>"]
 edition = "2018"