diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0262db7..084d283 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.2.0"
+    ".": "0.2.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17e3a8c..61afda6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.1](https://github.com/feeph/libemc2101-python/compare/v0.2.0...v0.2.1) (2024-07-20)
+
+
+### Bug Fixes
+
+* fix 'configure_pin_six_as_alert()' and provide unit tests ([#23](https://github.com/feeph/libemc2101-python/issues/23)) ([be53285](https://github.com/feeph/libemc2101-python/commit/be53285a715c94cc52cb367c1ada127fb716465f))
+
 ## [0.2.0](https://github.com/feeph/libemc2101-python/compare/v0.1.3...v0.2.0) (2024-07-20)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 3a28f4a..1bfcf4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@
 
 [project]
 name = "feeph.emc2101"
-version = "0.2.0"
+version = "0.2.1"
 description = "library for EMC2101 fan control chip"
 authors = [
     {name = "Feeph Aifeimei", email = "55798703+feeph@users.noreply.github.com"},