diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55beffd..e708c01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.6.7](https://github.com/KarpelesLab/compcol/compare/v0.6.6...v0.6.7) - 2026-06-30
+
+### Added
+
+- *(zstd)* validate Content_Checksum frames (XXH64)
+
+### Fixed
+
+- *(decoder)* report OutputFull when the output buffer is full
+
+### Other
+
+- *(lzma2/xz)* linear-time match finder + faster optimal parse
+
 ### Added
 
 - *(zstd)* decode and validate frames carrying a `Content_Checksum` (the `zstd`
diff --git a/Cargo.toml b/Cargo.toml
index 65df5da..73e7144 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name          = "compcol"
-version       = "0.6.6"
+version       = "0.6.7"
 edition       = "2024"
 # Edition 2024 stabilised in Rust 1.85. Code uses `let chains` (Rust 1.88)
 # inside the brotli encoder and the io adapters, so 1.88 is the real floor.