diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index def563d3cbe91ae1b8fb04b4f59e19b0df294d15..983a3cf007b815a89135b602b74a19f5e240fda1 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dup-crypto"
-version = "0.3.0-b3"
+version = "0.4.0-b1"
 authors = ["nanocryk <nanocryk@duniter.org>", "elois <elois@duniter.org>"]
 description = "Manage cryptographic operations for the DUP (DUniter Protocol)."
 repository = "https://git.duniter.org/nodes/rust/duniter-rs"