diff --git a/array_api_compat/__init__.py b/array_api_compat/__init__.py
index 653cb40a..a00e8cbc 100644
--- a/array_api_compat/__init__.py
+++ b/array_api_compat/__init__.py
@@ -17,6 +17,6 @@
 this implementation for the default when working with NumPy arrays.
 
 """
-__version__ = '1.12.0'
+__version__ = '1.13.0.dev0'
 
 from .common import *  # noqa: F401, F403