diff --git a/pyproject.toml b/pyproject.toml
index 40a22ee..a1b825a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "ausankey"
-version = "1.3"
+version = "1.4"
 
 description = "Sankey diagrams simply"
 readme = "README.md"