diff --git a/CHANGELOG.md b/CHANGELOG.md
index b025c1f..033b8df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,33 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.0] - 2023-06-22
+
+### Bug Fixes
+
+- Add missing cleanup for parameter deletion
+
+### Features
+
+- Allow initialization to continue without crashing if no region is set
+- Verify commit message structure in workflow
+- Merge non-namespaced params with namespaced params
+- Add NamespaceFilter
+- Optionally load default environment keys
+
+### Miscellaneous Tasks
+
+- Add pull_from_env_or_obj utility function
+- Update README.rst
+- More details on configuration variables
+- Change logger name and use warn instead of exception level
+- Guard against non-string type for DEFAULT_ENV_FOR_DYNACONF
+
+### Refactor
+
+- Unify exception handling style
+- Unify environment parameter naming scheme
+
 ## [0.3.2] - 2023-06-07
 
 ### Miscellaneous Tasks
diff --git a/pyproject.toml b/pyproject.toml
index ce35429..0c5dd93 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "dynaconf-aws-loader"
-version = "0.3.2"
-description = "A custom loader for Dynaconf that uses AWS Systems Manager Parameter Store as a source of truth"
+version = "0.4.0"
+description = "A custom loader for Dynaconf that uses AWS Systems Manager Parameter Store as a source of truth."
 homepage = "https://github.com/fictivekin/dynaconf-aws-loader"
 repository = "https://github.com/fictivekin/dynaconf-aws-loader"
 authors = [
@@ -22,7 +22,6 @@ include = [
     "CHANGELOG.md"
 ]
 
-
 [tool.poetry.dependencies]
 python = "^3.8"
 boto3 = "^1.26"