diff --git a/CHANGELOG b/CHANGELOG
index 535b87658..e895bbe5e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,29 @@
+4.0.0 (2024-01-29)
+------------------
+Bump aws-msk-iam-aut to 2.0.3 (#857)
+Scan enrich-kafka and enrich-nsq Docker images (#857)
+Remove lacework workflow (#859)
+Use SLF4J for Cats Effect starvation warning message (#858)
+Bump jackson to 2.16.1 (#857)
+Bump azure-identity to 1.11.1 (#857)
+Bump http4s to 0.23.25 (#857)
+Bump fs2-blobstore to 0.9.12 (#857)
+Bump AWS SDK v2 to 2.23.9 (#857)
+Bump AWS SDK to 1.12.643 (#857)
+Bump mysql-connector-j to 8.3.0 (#857)
+Make atomic field limits configurable (#850)
+Switch from Blaze client to Ember client (#853)
+Upgrade to Cats Effect 3 ecosystem (#837)
+Add headset to the list of valid platform codes (#851)
+Add mandatory SLULA license acceptance flag (#848)
+Move to Snowplow Limited Use License (#846)
+Add different types of authentication for azure blob storage (#845)
+Remove config logging (#843)
+enrich-kafka: support for multiple Azure blob storage account (#842)
+enrich-kafka: add blob storage support (#831)
+Deprecate enrich-rabbitmq (#822)
+Deprecate Stream Enrich (#788)
+
 3.9.0 (2023-11-14)
 ------------------
 enrich-pubsub: set UserAgent header in Pubsub publisher and consumer (#826)
diff --git a/README.md b/README.md
index c67a8e2f3..a70b36abe 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Licensed under the [Snowplow Limited Use License Agreement][license]. _(If you a
 [coveralls]: https://coveralls.io/github/snowplow/enrich?branch=master
 [coveralls-image]: https://coveralls.io/repos/github/snowplow/enrich/badge.svg?branch=master
 
-[release-image]: https://img.shields.io/badge/release-3.9.0-blue.svg?style=flat
+[release-image]: https://img.shields.io/badge/release-4.0.0-blue.svg?style=flat
 [releases]: https://github.com/snowplow/enrich/releases
 
 [license]: https://docs.snowplow.io/limited-use-license-1.0