diff --git a/pyproject.toml b/pyproject.toml
index 6ede2c4..e6b7baf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "weightfactors"
-version = "0.0.3"
+version = "0.0.4"
 description = "Calculate weight factors for survey data to approximate a representative sample"
 authors = ["DemianvG <d.vangils@markteffect.nl>"]
 readme = "README.md"