diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ee053d..bff1d0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# v0.4.0
+
+## Features
+* feat: ability to specify the datacollector image (#17) (Tim Arenz)([fe15123](https://github.com/lacework/terraform-aws-ecs-agent/commit/fe15123d31f29a5708b570dc515b9cde8acdc298))
+## Documentation Updates
+* docs: Add contributing documentation (#16) (Darren)([7942688](https://github.com/lacework/terraform-aws-ecs-agent/commit/794268833d8d5daa67ece4bc1d353ae03370ba11))
+## Other Changes
+* chore: version bump to v0.3.2-dev (Lacework)([1e8bae6](https://github.com/lacework/terraform-aws-ecs-agent/commit/1e8bae6c095f16708f63e187ae7d46c75b5c4b13))
+* ci: sign lacework-releng commits (#15) (Salim Afiune)([c2d2c67](https://github.com/lacework/terraform-aws-ecs-agent/commit/c2d2c6726563e0d794176f0b903d5689716124a2))
+---
 # v0.3.1
 
 ## Bug Fixes
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index fc858a8..88e6ca0 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,11 +1,10 @@
 # Release Notes
-Another day, another release. These are the release notes for the version `v0.3.1`.
+Another day, another release. These are the release notes for the version `v0.4.0`.
 
-## Bug Fixes
-* fix: a logic error could cause an unused SSM parameter to be created (Alan Nix)([3716158](https://github.com/lacework/terraform-aws-ecs-agent/commit/371615829aea2e2df6194e28688aa2ad33c1d97a))
-* fix: made `ecs_launch_type` a configurable parameter (Alan Nix)([b3f66c3](https://github.com/lacework/terraform-aws-ecs-agent/commit/b3f66c38a06adfa0b9f613516d08e255479688d7))
+## Features
+* feat: ability to specify the datacollector image (#17) (Tim Arenz)([fe15123](https://github.com/lacework/terraform-aws-ecs-agent/commit/fe15123d31f29a5708b570dc515b9cde8acdc298))
 ## Documentation Updates
-* docs: header correction for `server-url` example (Alan Nix)([10de9ea](https://github.com/lacework/terraform-aws-ecs-agent/commit/10de9eacbd8ab8866aa371a2ac459deb9b280fe8))
-* docs: update all examples/ (Salim Afiune Maya)([2582b3d](https://github.com/lacework/terraform-aws-ecs-agent/commit/2582b3dba08ee66077c8372ec1919ee00b1a6d12))
+* docs: Add contributing documentation (#16) (Darren)([7942688](https://github.com/lacework/terraform-aws-ecs-agent/commit/794268833d8d5daa67ece4bc1d353ae03370ba11))
 ## Other Changes
-* chore: version bump to v0.3.1-dev (Lacework)([ea6d833](https://github.com/lacework/terraform-aws-ecs-agent/commit/ea6d83355b5417eb4a4e1be72fb586de9e9490fc))
+* chore: version bump to v0.3.2-dev (Lacework)([1e8bae6](https://github.com/lacework/terraform-aws-ecs-agent/commit/1e8bae6c095f16708f63e187ae7d46c75b5c4b13))
+* ci: sign lacework-releng commits (#15) (Salim Afiune)([c2d2c67](https://github.com/lacework/terraform-aws-ecs-agent/commit/c2d2c6726563e0d794176f0b903d5689716124a2))
diff --git a/VERSION b/VERSION
index d9a9ca6..60a2d3e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.3.2-dev
\ No newline at end of file
+0.4.0
\ No newline at end of file