diff --git a/CHANGELOG.md b/CHANGELOG.md
index 182dc2c948a..2ea1e02b55a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,16 +4,44 @@
 <a name="unreleased"></a>
 # Unreleased
 
+## Maintenance
+
+* **deps-dev:** bump aws-cdk from 2.125.0 to 2.126.0 ([#3701](https://github.com/aws-powertools/powertools-lambda-python/issues/3701))
+
 
 <a name="v2.33.0"></a>
 ## [v2.33.0] - 2024-02-02
 ## Bug Fixes
 
 * **data-masking:** fix and improve e2e tests for DataMasking ([#3695](https://github.com/aws-powertools/powertools-lambda-python/issues/3695))
+* **event-handler:** strip whitespace from Content-Type headers during OpenAPI schema validation ([#3677](https://github.com/aws-powertools/powertools-lambda-python/issues/3677))
+
+## Documentation
+
+* **data-masking:** add docs for data masking utility ([#3186](https://github.com/aws-powertools/powertools-lambda-python/issues/3186))
+* **metrics:** fix empty metric warning filter ([#3660](https://github.com/aws-powertools/powertools-lambda-python/issues/3660))
+* **proccess:** add versioning and maintenance policy ([#3682](https://github.com/aws-powertools/powertools-lambda-python/issues/3682))
+
+## Features
+
+* **event_handler:** support Header parameter validation in OpenAPI schema ([#3687](https://github.com/aws-powertools/powertools-lambda-python/issues/3687))
+* **event_handler:** add support for multiValueQueryStringParameters in OpenAPI schema ([#3667](https://github.com/aws-powertools/powertools-lambda-python/issues/3667))
 
 ## Maintenance
 
 * version bump
+* **deps:** bump codecov/codecov-action from 3.1.5 to 3.1.6 ([#3683](https://github.com/aws-powertools/powertools-lambda-python/issues/3683))
+* **deps:** bump codecov/codecov-action from 3.1.4 to 3.1.5 ([#3674](https://github.com/aws-powertools/powertools-lambda-python/issues/3674))
+* **deps:** bump pydantic from 1.10.13 to 1.10.14 ([#3655](https://github.com/aws-powertools/powertools-lambda-python/issues/3655))
+* **deps:** bump squidfunk/mkdocs-material from `58eef6c` to `9aad7af` in /docs ([#3670](https://github.com/aws-powertools/powertools-lambda-python/issues/3670))
+* **deps:** bump the layer-balancer group in /layer/scripts/layer-balancer with 1 update ([#3665](https://github.com/aws-powertools/powertools-lambda-python/issues/3665))
+* **deps:** bump squidfunk/mkdocs-material from `9aad7af` to `a4a2029` in /docs ([#3679](https://github.com/aws-powertools/powertools-lambda-python/issues/3679))
+* **deps-dev:** bump sentry-sdk from 1.39.2 to 1.40.0 ([#3684](https://github.com/aws-powertools/powertools-lambda-python/issues/3684))
+* **deps-dev:** bump ruff from 0.1.14 to 0.1.15 ([#3685](https://github.com/aws-powertools/powertools-lambda-python/issues/3685))
+* **deps-dev:** bump ruff from 0.1.13 to 0.1.14 ([#3656](https://github.com/aws-powertools/powertools-lambda-python/issues/3656))
+* **deps-dev:** bump aws-cdk from 2.122.0 to 2.123.0 ([#3673](https://github.com/aws-powertools/powertools-lambda-python/issues/3673))
+* **deps-dev:** bump aws-cdk from 2.124.0 to 2.125.0 ([#3693](https://github.com/aws-powertools/powertools-lambda-python/issues/3693))
+* **deps-dev:** bump aws-cdk from 2.123.0 to 2.124.0 ([#3678](https://github.com/aws-powertools/powertools-lambda-python/issues/3678))
 
 
 <a name="v2.32.0"></a>