diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4adad1f..7216799 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+
+## [0.6.4] - 2024-04-01
 ### Added
 - Support for returning references to non-Send types ([#53](https://github.com/audunhalland/unimock/pull/53))
 
diff --git a/Cargo.toml b/Cargo.toml
index 851aa0b..8c6045f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unimock"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Audun Halland <audun.halland@pm.me>"]
 edition = "2021"
 rust-version = "1.70"
@@ -27,7 +27,7 @@ unstable-doc-cfg = []
 critical-section = ["once_cell/critical-section"]
 
 [dependencies]
-unimock_macros = { path = "unimock_macros", version = "0.6.3" }
+unimock_macros = { path = "unimock_macros", version = "0.6.4" }
 once_cell = { version = "1.17", default-features = false }
 polonius-the-crab = "0.4"
 pretty_assertions = { version = "1.3", optional = true }
diff --git a/unimock_macros/Cargo.toml b/unimock_macros/Cargo.toml
index d9967e6..eb8523d 100644
--- a/unimock_macros/Cargo.toml
+++ b/unimock_macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unimock_macros"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Audun Halland <audun.halland@pm.me>"]
 edition = "2021"
 license = "MIT"