diff --git a/.github/release-please/manifest.json b/.github/release-please/manifest.json
index eafb614..d0f7c58 100644
--- a/.github/release-please/manifest.json
+++ b/.github/release-please/manifest.json
@@ -1 +1 @@
-{".":"0.4.2"}
+{".":"0.4.3"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9eb8098..e9a940a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.3](https://github.com/do-pa/itdoc/compare/v0.4.2...v0.4.3) (2025-10-09)
+
+
+### 📚 Documentation
+
+* create itdoc playground pages on official documentation ([#254](https://github.com/do-pa/itdoc/issues/254)) ([a5f197b](https://github.com/do-pa/itdoc/commit/a5f197b5d95a651018060177f6db5a7c120784ad))
+
 ## [0.4.2](https://github.com/do-pa/itdoc/compare/v0.4.1...v0.4.2) (2025-10-06)
 
 
diff --git a/package.json b/package.json
index a60d605..42af650 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "itdoc",
-    "version": "0.4.2",
+    "version": "0.4.3",
     "description": "Test-driven documentation for RESTful services",
     "license": "Apache-2.0",
     "bin": {