diff --git a/CHANGELOG.md b/CHANGELOG.md
index aca8d8a..0a758bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.2.1](https://github.com/mljs/signal-processing/compare/v2.2.0...v2.2.1) (2026-05-01)
+
+
+### Bug Fixes
+
+* update dependencies ([#36](https://github.com/mljs/signal-processing/issues/36)) ([a513b0c](https://github.com/mljs/signal-processing/commit/a513b0cc4a013b20c636b229e15641c6e9d1f098))
+
 ## [2.2.0](https://github.com/mljs/signal-processing/compare/v2.1.0...v2.2.0) (2026-01-10)
 
 
diff --git a/package.json b/package.json
index 07c0db2..ad7e8c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ml-signal-processing",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Process data in the form of {x:[], y:[]}",
   "type": "module",
   "exports": {