diff --git a/pyproject.toml b/pyproject.toml
index d187947..ddaf190 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "wintertoo"
-version = "0.3.11"
+version = "0.4.0"
 description = ""
 authors = [
     {name = "Robert Stein", email = "rdstein@caltech.edu"},