diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef7e985..b1b3446 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0]
+
 - Dump logs if prometheus or pushgateway return a non 0 exit code (#122)
 - Change the default explorer endpoint of when using `am explorer` (#120)
 - Update all depdencies (#124)
diff --git a/Cargo.lock b/Cargo.lock
index 83d092b..5675887 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -138,7 +138,7 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "autometrics-am"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "axum",
diff --git a/Cargo.toml b/Cargo.toml
index c49a9fc..215d5d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "autometrics-am"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 authors = ["Fiberplane <info@fiberplane.com>"]
 description = ""