diff --git a/Cargo.lock b/Cargo.lock
index f9fd374a..13f40888 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -342,7 +342,7 @@ dependencies = [
 
 [[package]]
 name = "nethsm_pkcs11"
-version = "0.1.0"
+version = "0.4.0"
 dependencies = [
  "base64ct",
  "cryptoki-sys",
diff --git a/pkcs11/Cargo.toml b/pkcs11/Cargo.toml
index dd345691..906843ac 100644
--- a/pkcs11/Cargo.toml
+++ b/pkcs11/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nethsm_pkcs11"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 
 [lib]