diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53dfecb..2f1f08e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-0.8.5 (2026/02/25) \
+0.9.0 (2026/02/25) \
 Remove support for Python 3.10, now only supporting Python 3.11 and above. \
 Replaced incorrect Warning call with logging.warning for proper warning handling. \
 Also add the .close() method to the MAD class, allowing users to explicitly close the MAD-NG process and clean up resources.
diff --git a/pyproject.toml b/pyproject.toml
index 08cab7a..d15aefe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
     "Operating System :: Unix",
-    "Development Status :: 5 - Production/Stable",
+    "Development Status :: 4 - Beta",
     "Natural Language :: English",
     "Topic :: Scientific/Engineering :: Physics"
 ]
diff --git a/src/pymadng/__init__.py b/src/pymadng/__init__.py
index 4bb980b..db957dd 100644
--- a/src/pymadng/__init__.py
+++ b/src/pymadng/__init__.py
@@ -1,7 +1,7 @@
 from .madp_object import MAD
 
 __title__ = "pymadng"
-__version__ = "0.8.4"
+__version__ = "0.9.0"
 
 __summary__ = "Python interface to MAD-NG running as subprocess"
 __uri__ = "https://github.com/MethodicalAcceleratorDesign/MAD-NG.py"