diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce424c2..1493e8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 <!-- markdownlint-disable MD041 -->
 
-### v0.3.1 (upcoming)
+### v0.4.0 (2022-12-24)
 
 - added
   - Add CI pipeline
diff --git a/Cargo.lock b/Cargo.lock
index d39fdc2..78c4bc8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1656,7 +1656,7 @@ dependencies = [
 
 [[package]]
 name = "pigeon-rs"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "base64 0.13.1",
diff --git a/Cargo.toml b/Cargo.toml
index 245feeb..2761490 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pigeon-rs"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["quambene <contact.quambene@gmail.com>"]
 description = "Command line tool for cheap and efficient email automation"
 edition = "2021"