diff --git a/pyproject.toml b/pyproject.toml
index 0964f47..f2cd233 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,8 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "extremeflow-pysemtools"
-version = "1.2.0"
+version = "1.2.1.dev0"
+readme = "README.md"
 requires-python = ">= 3.10"
 dependencies = [
     "numpy",