diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14d2b10..ca2d33e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.0.1](https://github.com/mljs/regression-base/compare/v4.0.0...v4.0.1) (2026-04-16)
+
+
+### Bug Fixes
+
+* update is-any-array ([ddd6ffc](https://github.com/mljs/regression-base/commit/ddd6ffc8346472ff0201feb15c4daaea70b93849))
+
 ## [4.0.0](https://github.com/mljs/regression-base/compare/v3.0.0...v4.0.0) (2024-05-16)
 
 
diff --git a/package.json b/package.json
index 6f5adcd..e5be536 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ml-regression-base",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "Base class for regression modules",
   "main": "./lib/index.js",
   "module": "./lib-esm/index.js",