diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8dc0af1..4e7c809 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.6.6] - 2026-11-02
+
 ### Changed
 
 - Upgrade to open62541 version
@@ -342,7 +344,8 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 - First public release.
 
-[Unreleased]: https://github.com/HMIProject/open62541-sys/compare/v0.6.5...HEAD
+[Unreleased]: https://github.com/HMIProject/open62541-sys/compare/v0.6.6...HEAD
+[0.6.6]: https://github.com/HMIProject/open62541-sys/compare/v0.6.5...v0.6.6
 [0.6.5]: https://github.com/HMIProject/open62541-sys/compare/v0.6.4...v0.6.5
 [0.6.4]: https://github.com/HMIProject/open62541-sys/compare/v0.6.3...v0.6.4
 [0.6.3]: https://github.com/HMIProject/open62541-sys/compare/v0.6.2...v0.6.3
diff --git a/Cargo.lock b/Cargo.lock
index 97b75d3..de188cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -139,7 +139,7 @@ dependencies = [
 
 [[package]]
 name = "open62541-sys"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "bindgen",
  "cc",
diff --git a/Cargo.toml b/Cargo.toml
index dbb735f..d08835d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "open62541-sys"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["HMI Project"]
 edition = "2024"
 # Keep MSRV in sync with `test.yaml`/`build.rs`. Use versions that are at least 6 months old.