diff --git a/Cargo.toml b/Cargo.toml
index bffe0bb..d97a2d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,6 @@ tracing = ["async-mailer-core/tracing", "async-mailer-outlook?/tracing", "async-
 
 [dependencies]
 async-mailer-core = { path = "core", version = "0.3" }
-async-mailer-outlook = { optional = true, path = "outlook", version = "0.3" }
+async-mailer-outlook = { optional = true, path = "outlook", version = "0.4" }
 async-mailer-smtp = { optional = true, path = "smtp", version = "0.4" }
 secrecy = "0.10.0"
diff --git a/outlook/CHANGELOG.md b/outlook/CHANGELOG.md
index 58266d3..f6bbb24 100644
--- a/outlook/CHANGELOG.md
+++ b/outlook/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased] <!-- release-date -->
 
+## [0.4.0] - 2024-10-22
+
 ### BREAKING CHANGES
 
 - Update public dependency `secrecy` to v0.10.
@@ -86,7 +88,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial implementation.
 
 <!-- next-url -->
-[Unreleased]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.3.2...HEAD
+[Unreleased]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.4.0...HEAD
+[0.4.0]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.3.2...async-mailer-outlook-v0.4.0
 [0.3.2]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.3.1...async-mailer-outlook-v0.3.2
 [0.3.1]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.3.0...async-mailer-outlook-v0.3.1
 [0.3.0]: https://github.com/LeoniePhiline/async-mailer/compare/async-mailer-outlook-v0.2.3...async-mailer-outlook-v0.3.0
diff --git a/outlook/Cargo.toml b/outlook/Cargo.toml
index 3b93fb1..157fc84 100644
--- a/outlook/Cargo.toml
+++ b/outlook/Cargo.toml
@@ -6,7 +6,7 @@ keywords = ["async", "mailer", "outlook"]
 license = "MPL-2.0"
 repository = "https://github.com/LeoniePhiline/async-mailer/outlook"
 documentation = "https://docs.rs/async-mailer-outlook/"
-version = "0.3.2"
+version = "0.4.0"
 edition = "2021"
 
 [features]