diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd5e6d4..07c175c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/varfish-org/viguno/compare/v0.3.2...v0.4.0) (2024-11-20)
+
+
+### Features
+
+* proper OpenAPI-documented and versioned endpoints ([#227](https://github.com/varfish-org/viguno/issues/227)) ([#228](https://github.com/varfish-org/viguno/issues/228)) ([b548942](https://github.com/varfish-org/viguno/commit/b5489425c17b1f7cc9454e670fa2a45f0f84937d))
+
 ## [0.3.2](https://github.com/varfish-org/viguno/compare/v0.3.1...v0.3.2) (2024-07-14)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 5935597..bf4e4af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3062,7 +3062,7 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "viguno"
-version = "0.3.2"
+version = "0.4.0"
 dependencies = [
  "actix-web",
  "anyhow",
diff --git a/Cargo.toml b/Cargo.toml
index 5e4c81c..642bd10 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "viguno"
-version = "0.3.2"
+version = "0.4.0"
 edition = "2021"
 authors = ["Manuel Holtgrewe <manuel.holtgrewe@bih-charite.de>"]
 description = "Phenotype/disease for VarFish"