diff --git a/pyproject.toml b/pyproject.toml
index 6f6ed79c..39259739 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ authors=[{name = 'Maxx Tessmer', email='mhtessmer@gmail.com'},
          {name = 'Stefan Stoll', email='stst@uw.edu'}]
 keywords=['Spin-label', 'EPR', 'DEER', 'PELDOR', 'Side-chain']
 dynamic = ["version"]
-requires-python = ">= 3.8,<3.12"
+requires-python = ">= 3.8,<3.13"
 dependencies = ['numpy>=1.23.0',
                 'scipy>=1.6.3',
                 'matplotlib>=3.3.4',
@@ -24,7 +24,8 @@ classifiers=['License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
              'Programming Language :: Python :: 3.8',
              'Programming Language :: Python :: 3.9',
              'Programming Language :: Python :: 3.10',
-             'Programming Language :: Python :: 3.11']
+             'Programming Language :: Python :: 3.11',
+             'Programming Language :: Python :: 3.12']
 
 [project.urls]
 homepage = 'https://github.com/StollLab/chiLife'
diff --git a/src/chilife/__init__.py b/src/chilife/__init__.py
index 3fec715d..ec97bf97 100644
--- a/src/chilife/__init__.py
+++ b/src/chilife/__init__.py
@@ -11,4 +11,4 @@
 from .protein_utils import *
 from .scoring import *
 
-__version__ = '1.0.0.dev2'
+__version__ = '1.0.0.dev3'