diff --git a/pybind11_mkdoc/__init__.py b/pybind11_mkdoc/__init__.py
index af4b7ff..be1fb6f 100644
--- a/pybind11_mkdoc/__init__.py
+++ b/pybind11_mkdoc/__init__.py
@@ -10,7 +10,7 @@
 from .mkdoc_lib import mkdoc
 
 
-__version__ = "2.6.0"
+__version__ = "2.6.1.dev1"
 
 def main(self):
     return mkdoc(sys.argv[:1])