diff --git a/pydocstringformatter/__init__.py b/pydocstringformatter/__init__.py
index f0ebeb7a..c6aa4d97 100644
--- a/pydocstringformatter/__init__.py
+++ b/pydocstringformatter/__init__.py
@@ -8,7 +8,7 @@
     PydocstringFormatterError,
 )
 
-__version__ = "0.5.3"
+__version__ = "0.6.0-dev"
 
 
 def run_docstring_formatter(argv: Union[List[str], None] = None) -> None: