diff --git a/clr_loader/__init__.py b/clr_loader/__init__.py
index aa604ad..5c8a46a 100644
--- a/clr_loader/__init__.py
+++ b/clr_loader/__init__.py
@@ -20,6 +20,8 @@
     "DotnetCoreRuntimeSpec",
 ]
 
+__version__ = "0.3.0.dev0"
+
 
 def get_mono(
     *,