diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68548ef..ae12709 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+-
+
+## [v0.4.0-rc.1](https://github.com/trussed-dev/fido-authenticator/releases/tag/v0.4.0-rc.1) (2026-05-29)
+
 - Update to `ctap-types` v0.6.0-rc.2.
 - Set `algorithms`, `authenticator_config_commands`, `firmware_version`, `max_serialized_large_blob_array` and `remaining_discoverable_credentials` in `get_info` and add `firmware_version` to `Config`.
 - Implement these new extensions:
diff --git a/Cargo.toml b/Cargo.toml
index f508f7e..eb66182 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fido-authenticator"
-version = "0.3.0"
+version = "0.4.0-rc.1"
 authors = ["The Trussed developers", "Nicolas Stalder <n@stalder.io>", "Nitrokey GmbH"]
 edition = "2021"
 license = "Apache-2.0 OR MIT"