diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfdcd05c..3f7beb83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,30 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.0] - 2024-12-13
+
+### Added
+* Zango tests setup [(#350)](https://github.com/Healthlane-Technologies/Zango/pull/350)
+* feat: release workflow, launch app from template [(#409)](https://github.com/Healthlane-Technologies/Zango/pull/409)
+* docs version 2 [(#415)](https://github.com/Healthlane-Technologies/Zango/pull/415)
+* Pre-commit and ruff configuration [(#340)](https://github.com/Healthlane-Technologies/Zango/pull/340)
+* custom error pages added by [(#356)](https://github.com/Healthlane-Technologies/Zango/pull/356)
+* Show configure for only packages with configure functionality [(#368)](https://github.com/Healthlane-Technologies/Zango/pull/368)
+* tasks code and task history displayed in app panel [(#360)](https://github.com/Healthlane-Technologies/Zango/pull/360)
+* celery flower service added [(#366)](https://github.com/Healthlane-Technologies/Zango/pull/366)
+* package dependency check added [(#363)](https://github.com/Healthlane-Technologies/Zango/pull/363)
+
+### Fixed
+* removed space between key and value in app config page [(#353)](https://github.com/Healthlane-Technologies/Zango/pull/353)
+* django version bump to 4.2.15 [(#373)](https://github.com/Healthlane-Technologies/Zango/pull/373)
+* apply_async used instead of delay to create tenant [(#374)](https://github.com/Healthlane-Technologies/Zango/pull/374)
+* fixed setup-project with directory bug  [(#346)](https://github.com/Healthlane-Technologies/Zango/pull/346)
+* limit tenant set calls by @deepakdinesh1123 [(#369)](Healthlane-Technologies/Zango/pull/369)
+* country code selection dropdown for phone number [(#362)](https://github.com/Healthlane-Technologies/Zango/pull/362)
+* fix: release package git workflow, config url incase no domain configured [(#389)](https://github.com/Healthlane-Technologies/Zango/pull/389)
+* Removed unnecessary if else conditions for get or create ORM method in Celery CrontabSchedule model [(#382)](https://github.com/Healthlane-Technologies/Zango/pull/382)
+* version checked before releasing package [(#396)](https://github.com/Healthlane-Technologies/Zango/pull/396)
+
 ## [0.3.0] - 2024-08-06
 
 ### Added
diff --git a/backend/setup.py b/backend/setup.py
index 1a903f12..bb6cd7f3 100644
--- a/backend/setup.py
+++ b/backend/setup.py
@@ -8,7 +8,7 @@
 
 README = os.path.join(PROJECT_DIR, "README.md")
 
-PLATFORM_VERSION = "0.3.0"
+PLATFORM_VERSION = "0.4.0"
 
 
 def get_requirements(env):
diff --git a/backend/src/zango/__init__.py b/backend/src/zango/__init__.py
index ce56bd2b..9d77c03f 100644
--- a/backend/src/zango/__init__.py
+++ b/backend/src/zango/__init__.py
@@ -2,4 +2,4 @@
 
 
 __all__ = ["internal_requests"]
-__version__ = "0.3.0"
+__version__ = "0.4.0"