diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a56122..1fa703b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Release notes
 
+## 0.4.1 (2024-04-16)
+
+### Bug Fixes
+
+- Make some missing fields pub ([#43](https://github.com/CQCL/tket-json-rs/pull/43))
+
+### Features
+
+- Add GPI, GPI2, and AAMS gates ([#42](https://github.com/CQCL/tket-json-rs/pull/42))
+
+
 ## 0.4.0 (2024-04-08)
 
 This release adds various missing `OpType` definitions, and fixes some existing box definitions with incorrect parameters.
diff --git a/Cargo.toml b/Cargo.toml
index 392d5d0..56ea6ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tket-json-rs"
-version = "0.4.0"
+version = "0.4.1"
 license = "Apache-2.0"
 edition = "2021"
 rust-version = "1.70"