diff --git a/pyproject.toml b/pyproject.toml
index 5819aeabd042b64ed08ce310302188ee1e1efcb7..e35417c46dd6bc7ba1b9564b52abfc8ec546ddef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "core-watpy"
-version = "0.0.1"
+version = "0.1.1"
 authors = [
   { name="The CoRe Team", email="core@listserv.uni-jena.de" },
 ]