diff --git a/esmf_regrid/__init__.py b/esmf_regrid/__init__.py
index 6235c53b..6d4613de 100644
--- a/esmf_regrid/__init__.py
+++ b/esmf_regrid/__init__.py
@@ -10,4 +10,4 @@
 from .schemes import *
 
 
-__version__ = "0.9.0"
+__version__ = "0.10.dev0"