diff --git a/CHANGELOG.md b/CHANGELOG.md
index 694142b..cedc180 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this library adheres to Rust's notion of
 
 ## [Unreleased]
 
+## [0.4.0] - 2023-06-06
 ### Changed
 - The `esk` and `ephemeral_key` arguments have been removed from 
   `Domain::parse_note_plaintext_without_memo_ovk`. It is therefore no longer
diff --git a/Cargo.toml b/Cargo.toml
index c2b73ac..34d359e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "zcash_note_encryption"
 description = "Note encryption for Zcash transactions"
-version = "0.3.0"
+version = "0.4.0"
 authors = [
     "Jack Grigg <jack@electriccoin.co>",
     "Kris Nuttycombe <kris@electriccoin.co>"