diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21915b900..baba105e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.22.1](https://github.com/LAPKB/PMcore/compare/v0.22.0...v0.22.1) - 2025-11-18
+
+### Added
+
+- methods needed to be able to separate problem from fit in Pmetrics ([#228](https://github.com/LAPKB/PMcore/pull/228))
+
 ## [0.22.0](https://github.com/LAPKB/PMcore/compare/v0.21.1...v0.22.0) - 2025-11-17
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index c3374942e..69a8b0d2a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pmcore"
-version = "0.22.0"
+version = "0.22.1"
 edition = "2021"
 authors = [
     "Julián D. Otálvaro <juliandavid347@gmail.com>",