diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9af9ce7b2cc..4ff12a63a3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,16 +4,50 @@
 <a name="unreleased"></a>
 # Unreleased
 
+## Maintenance
+
+
 
 <a name="v2.31.0"></a>
 ## [v2.31.0] - 2024-01-05
+## Bug Fixes
+
+* **ci:** fail dispatch analytics job when Lambda call fails ([#3579](https://github.com/aws-powertools/powertools-lambda-python/issues/3579))
+
 ## Code Refactoring
 
+* **parameters:** add overload signatures for get_parameter and get_parameters ([#3534](https://github.com/aws-powertools/powertools-lambda-python/issues/3534))
 * **parser:** Improve error message when parsing models and envelopes ([#3587](https://github.com/aws-powertools/powertools-lambda-python/issues/3587))
 
+## Documentation
+
+* **middleware-factory:** Fix and improve typing ([#3569](https://github.com/aws-powertools/powertools-lambda-python/issues/3569))
+
+## Features
+
+* **event-handler:** add description to request body in OpenAPI schema ([#3548](https://github.com/aws-powertools/powertools-lambda-python/issues/3548))
+* **event_handler:** support richer top level Tags ([#3543](https://github.com/aws-powertools/powertools-lambda-python/issues/3543))
+* **layers:** add new comercial region Canada - ca-west-1 ([#3549](https://github.com/aws-powertools/powertools-lambda-python/issues/3549))
+
 ## Maintenance
 
 * version bump
+* **ci:** Remove dev dependencies locked to Pydantic v1 within the Pydantic v2 workflow. ([#3582](https://github.com/aws-powertools/powertools-lambda-python/issues/3582))
+* **deps:** bump squidfunk/mkdocs-material from `9af3b7e` to `2f29d71` in /docs ([#3559](https://github.com/aws-powertools/powertools-lambda-python/issues/3559))
+* **deps:** bump the layer-balancer group in /layer/scripts/layer-balancer with 4 updates ([#3593](https://github.com/aws-powertools/powertools-lambda-python/issues/3593))
+* **deps:** bump actions/setup-node from 4.0.0 to 4.0.1 ([#3535](https://github.com/aws-powertools/powertools-lambda-python/issues/3535))
+* **deps:** bump zgosalvez/github-actions-ensure-sha-pinned-actions from 3.0.2 to 3.0.3 ([#3536](https://github.com/aws-powertools/powertools-lambda-python/issues/3536))
+* **deps:** bump actions/dependency-review-action from 3.1.4 to 3.1.5 ([#3592](https://github.com/aws-powertools/powertools-lambda-python/issues/3592))
+* **deps:** bump the layer-balancer group in /layer/scripts/layer-balancer with 2 updates ([#3544](https://github.com/aws-powertools/powertools-lambda-python/issues/3544))
+* **deps:** bump fastjsonschema from 2.19.0 to 2.19.1 ([#3567](https://github.com/aws-powertools/powertools-lambda-python/issues/3567))
+* **deps-dev:** bump ruff from 0.1.8 to 0.1.9 ([#3550](https://github.com/aws-powertools/powertools-lambda-python/issues/3550))
+* **deps-dev:** bump aws-cdk from 2.115.0 to 2.116.1 ([#3553](https://github.com/aws-powertools/powertools-lambda-python/issues/3553))
+* **deps-dev:** bump aws-cdk from 2.117.0 to 2.118.0 ([#3589](https://github.com/aws-powertools/powertools-lambda-python/issues/3589))
+* **deps-dev:** bump cfn-lint from 0.83.6 to 0.83.7 ([#3554](https://github.com/aws-powertools/powertools-lambda-python/issues/3554))
+* **deps-dev:** bump ruff from 0.1.9 to 0.1.10 ([#3583](https://github.com/aws-powertools/powertools-lambda-python/issues/3583))
+* **deps-dev:** bump pytest from 7.4.3 to 7.4.4 ([#3576](https://github.com/aws-powertools/powertools-lambda-python/issues/3576))
+* **deps-dev:** bump aws-cdk from 2.116.1 to 2.117.0 ([#3565](https://github.com/aws-powertools/powertools-lambda-python/issues/3565))
+* **deps-dev:** bump ruff from 0.1.10 to 0.1.11 ([#3588](https://github.com/aws-powertools/powertools-lambda-python/issues/3588))
 
 
 <a name="v2.30.2"></a>