diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4447cf6a..74484622 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,23 @@
 # Changelog
 
 
+## [13.0.0](https://github.com/ethersphere/bee-js/compare/v12.3.1...v13.0.0) (2026-07-22)
+
+
+### ⚠ BREAKING CHANGES
+
+* split methods to separated namespaces ([#1219](https://github.com/ethersphere/bee-js/issues/1219))
+
+### Bug Fixes
+
+* mantaray marshal and unmarshal logic ([#1202](https://github.com/ethersphere/bee-js/issues/1202)) ([85f767f](https://github.com/ethersphere/bee-js/commit/85f767f5d59cfa2245aab92da457d0f0953d4a04))
+* upcoming publish ([#1233](https://github.com/ethersphere/bee-js/issues/1233)) ([1efc6b9](https://github.com/ethersphere/bee-js/commit/1efc6b969c2abd7e19a66ab6aba93992c96f18f8))
+
+
+### Code Refactoring
+
+* split methods to separated namespaces ([#1219](https://github.com/ethersphere/bee-js/issues/1219)) ([cfb9756](https://github.com/ethersphere/bee-js/commit/cfb975603e2e1af92ed6e117714a85de53169968))
+
 ## [12.3.1](https://github.com/ethersphere/bee-js/compare/v12.3.0...v12.3.1) (2026-07-07)
 
 
diff --git a/package-lock.json b/package-lock.json
index ca191ba0..123a93f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ethersphere/bee-js",
-  "version": "12.3.1",
+  "version": "13.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ethersphere/bee-js",
-      "version": "12.3.1",
+      "version": "13.0.0",
       "license": "BSD-3-Clause",
       "dependencies": {
         "cafe-utility": "^34.0.0",
diff --git a/package.json b/package.json
index 25b98736..041362a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ethersphere/bee-js",
-  "version": "12.3.1",
+  "version": "13.0.0",
   "description": "Javascript client for Bee",
   "keywords": [
     "bee",