diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7e869b..ae67097 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,16 +18,22 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### 🎉 Added
 
--   Adding support for Qiskit-terra >v0.6 ([#47](https://github.com/Qiskit/qiskit-vscode/pull/47) by [@cbjuan](https://github.com/cbjuan))
-
 ### 🐛 Fixed
 
 ### ✏️ Changed
 
--   Updating the support of snippets related to Qiskit Aqua to version v0.3 ([#49](https://github.com/Qiskit/qiskit-vscode/pull/49) by [@cbjuan](https://github.com/cbjuan))
-
 ### 👾 Security
 
+## [v0.4.0] - 2018-10-30
+
+### 🎉 Added
+
+-   Adding support for Qiskit Terra >v0.6 ([#47](https://github.com/Qiskit/qiskit-vscode/pull/47) by [@cbjuan](https://github.com/cbjuan))
+
+### ✏️ Changed
+
+-   Updating the support of snippets related to Qiskit Aqua to version v0.3 ([#49](https://github.com/Qiskit/qiskit-vscode/pull/49) by [@cbjuan](https://github.com/cbjuan))
+
 ## [v0.3.6] - 2018-10-25
 
 ### 🐛 Fixed
@@ -268,8 +274,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 -   Re-styling charts ([#97](https://github.ibm.com/IBMQuantum/qiskit-vscode/pull/97) by [@cbjuan](https://github.com/cbjuan))
 -   Extension size reduction ([#76](https://github.ibm.com/IBMQuantum/qiskit-vscode/pull/76) by [@ydarias](https://github.com/ydarias))
 
-[unreleased]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.6...HEAD
-[v0.3.5]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.5...v0.3.6
+[unreleased]: https://github.com/Qiskit/qiskit-vscode/compare/v0.4.0...HEAD
+[v0.4.0]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.6...v0.4.0
+[v0.3.6]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.5...v0.3.6
 [v0.3.5]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.4...v0.3.5
 [v0.3.4]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.3...v0.3.4
 [v0.3.3]: https://github.com/Qiskit/qiskit-vscode/compare/v0.3.2...v0.3.3