diff --git a/pyproject.toml b/pyproject.toml
index 302698d..914dff2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pygeoflood"
-version = "0.0.3a0"
+version = "0.0.3a1"
 authors = [
     { name = "Paola Passalacqua", email = "paola@austin.utexas.edu" },
     { name = "Xing Zheng", email = "zhengxingwhu@gmail.com" },