diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8936bea..7670960 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [18.0.0] - 2024-11-13
+
+### Changed
+
+- v16: ExtrinsicMetadata extensions [#86](https://github.com/paritytech/frame-metadata/pull/86)
+
 ## [17.0.0] - 2024-10-16
 
 ### Added
diff --git a/frame-metadata/Cargo.toml b/frame-metadata/Cargo.toml
index a9c3612..7a70367 100644
--- a/frame-metadata/Cargo.toml
+++ b/frame-metadata/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "frame-metadata"
-version = "17.0.0"
+version = "18.0.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 license = "Apache-2.0"