diff --git a/CHANGELOG.md b/CHANGELOG.md
index 890a5411..c28e1035 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 * **Fixed** for any bug fixes.
 * **Removed** for now removed features.
 
-## [ M.m.P ] - [ yyyy-mm-dd ]
+## [ 0.9.0 ] - [ 2025-12-19 ]
 
 ### Added
 
@@ -24,6 +24,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 - `Circuit.export` expects an `Exporter` instance as input argument (instead of an `ExportFormat`)
 - Moved Bloch sphere rotation composition from the merger pass interface to Bloch sphere rotation semantic module
+- Refactor gate semantics as attributes of gates
 
 ### Removed
 
diff --git a/pyproject.toml b/pyproject.toml
index 1698ea87..45289732 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "opensquirrel"
-version = "0.7.0"
+version = "0.9.0"
 description = "A quantum circuit transformation and manipulation tool"
 authors = [
     { name = "Quantum Inspire", email = "support@quantum-inspire.com" },
diff --git a/tests/instructions/test_instructions.py b/tests/instructions/test_instructions.py
deleted file mode 100644
index e69de29b..00000000