diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d736849..6999bdd5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## [0.4.0-alpha](https://github.com/instill-ai/protobufs/compare/v0.3.3-alpha...v0.4.0-alpha) (2023-03-01)
+
+
+### Features
+
+* **model:** add instance segmentation task output ([#109](https://github.com/instill-ai/protobufs/issues/109)) ([e6b2490](https://github.com/instill-ai/protobufs/commit/e6b2490766fa4374fadbda4665fbe4cb91be28a3))
+* **model:** add semantic segmentation output ([#115](https://github.com/instill-ai/protobufs/issues/115)) ([c0f8198](https://github.com/instill-ai/protobufs/commit/c0f8198d668d151e9792c4cd7f558727bac295b2))
+* **model:** add text generation task ([#136](https://github.com/instill-ai/protobufs/issues/136)) ([94cc54f](https://github.com/instill-ai/protobufs/commit/94cc54fcf2cd90284918781c5b37046ba0b1f2e8))
+
+
+### Bug Fixes
+
+* **mgmt,billing:** refactor mgmt message, endpoints and add billing service ([#130](https://github.com/instill-ai/protobufs/issues/130)) ([366c0f8](https://github.com/instill-ai/protobufs/commit/366c0f8cda7e1a80fde14de0ce31b0fbbedd8160))
+* **mgmt:** separate into admin and public services ([#133](https://github.com/instill-ai/protobufs/issues/133)) ([ddf0a4e](https://github.com/instill-ai/protobufs/commit/ddf0a4ea018ae45e30d0fb64a328ff87c3a6d02a))
+
 ## [0.3.3-alpha](https://github.com/instill-ai/protobufs/compare/v0.3.2-alpha...v0.3.3-alpha) (2022-09-13)
 
 
diff --git a/release-please/manifest.json b/release-please/manifest.json
index 6c69edba..88486080 100644
--- a/release-please/manifest.json
+++ b/release-please/manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.3-alpha"
+  ".": "0.4.0-alpha"
 }