diff --git a/pyproject.toml b/pyproject.toml
index 77738f4..5d9704b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 [project]
 name = "pyAutoMR"
-version = "0.3.0a"
+version = "0.3.0-rc1"
 authors = [
   { name="Shirong Wang", email="srwang20@fudan.edu.cn" },
 ]