diff --git a/setup.py b/setup.py
index 67b66e6..5e26ec9 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 
 # Set this first for easier replacement
-version = "2023.1.0"
+version = "2024.0.0"
 
 # read the contents of the README file into the PyPI description
 this_directory = Path(__file__).parent
diff --git a/src/quaternion/__init__.py b/src/quaternion/__init__.py
index bdf9d2d..bc5334f 100644
--- a/src/quaternion/__init__.py
+++ b/src/quaternion/__init__.py
@@ -3,7 +3,7 @@
 # Copyright (c) 2024, Michael Boyle
 # See LICENSE file for details: <https://github.com/moble/quaternion/blob/main/LICENSE>
 
-__version__ = "2023.1.0"
+__version__ = "2024.0.0"
 __doc_title__ = "Quaternion dtype for NumPy"
 __doc__ = "Adds a quaternion dtype to NumPy."
 __all__ = ['quaternion',