diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79bd73e..827376e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.0.0](https://github.com/structured-world/structured-proxy/compare/v3.0.2...v4.0.0) - 2026-09-20
+
+### Added
+
+- *(auth)* [**breaking**] verify tokens through an injectable TokenVerifier ([#82](https://github.com/structured-world/structured-proxy/pull/82))
+
+### Fixed
+
+- *(auth)* make the JWT crypto backends additive ([#85](https://github.com/structured-world/structured-proxy/pull/85))
+
 ## [3.0.2](https://github.com/structured-world/structured-proxy/compare/v3.0.1...v3.0.2) - 2026-09-05
 
 ### Other
diff --git a/Cargo.toml b/Cargo.toml
index 70500b0..809df0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "structured-proxy"
 description = "Universal gRPC→REST transcoding proxy — config-driven, works with any gRPC service"
-version = "3.0.2"
+version = "4.0.0"
 edition = "2021"
 authors = ["Dmitry Prudnikov <mail@polaz.com>"]
 license = "Apache-2.0"