diff --git a/sphinx_d2lang/__init__.py b/sphinx_d2lang/__init__.py
index 1d6fcd7..10784fe 100644
--- a/sphinx_d2lang/__init__.py
+++ b/sphinx_d2lang/__init__.py
@@ -9,4 +9,4 @@ def setup(application: Sphinx) -> Dict[str, Any]:
     setup extension.
     """
     application.add_directive('d2lang', D2langDirective)
-    return {"version": __version__, "parallel_read_safe": True}
+    return {"version": '0.0.1', "parallel_read_safe": True}