diff --git a/CHANGELOG.md b/CHANGELOG.md
index 628e59e4..7e356e95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.31.0](https://github.com/diplodoc-platform/transform/compare/v4.30.2...v4.31.0) (2024-09-11)
+
+
+### Features
+
+* add merge included optimisation ([#504](https://github.com/diplodoc-platform/transform/issues/504)) ([b30899e](https://github.com/diplodoc-platform/transform/commit/b30899e3eb48d0c6e802e319bb64f7ab2e27f88a))
+
 ## [4.30.2](https://github.com/diplodoc-platform/transform/compare/v4.30.1...v4.30.2) (2024-09-06)
 
 
diff --git a/package-lock.json b/package-lock.json
index 52f96a83..c5ffe7cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@diplodoc/transform",
-  "version": "4.30.2",
+  "version": "4.31.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@diplodoc/transform",
-      "version": "4.30.2",
+      "version": "4.31.0",
       "license": "MIT",
       "dependencies": {
         "@diplodoc/cut-extension": "^0.2.5",
diff --git a/package.json b/package.json
index 21daa51f..1fe7b523 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@diplodoc/transform",
-  "version": "4.30.2",
+  "version": "4.31.0",
   "description": "A simple transformer of text in YFM (Yandex Flavored Markdown) to HTML",
   "keywords": [
     "markdown",