diff --git a/reverse_argparse/__init__.py b/reverse_argparse/__init__.py
index a15c4f1..9d7f43a 100644
--- a/reverse_argparse/__init__.py
+++ b/reverse_argparse/__init__.py
@@ -7,3 +7,4 @@
 from .reverse_argparse import ReverseArgumentParser, quote_arg_if_necessary
 
 __all__ = ["ReverseArgumentParser", "quote_arg_if_necessary"]
+__version__ = "1.0.0"