diff --git a/pyproject.toml b/pyproject.toml
index 6249c38..54aad0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cumulus-postworkflow-normalizer"
-version = "0.4.0a1"
+version = "0.4.0-alpha.0"
 description = ""
 authors = ["podaac-tva <podaac-tva@jpl.nasa.gov>"]
 license = "Apache-2.0"