diff --git a/pyproject.toml b/pyproject.toml
index abe848d..c42b92e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dynamic = ["version"]
+version = "0.0.3"
 
 [tool.maturin]
 features = ["pyo3/extension-module"]