diff --git a/pyproject.toml b/pyproject.toml
index 147954641..8ebaffbcf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "pyrecest"
 description = "Framework for recursive Bayesian estimation in Python."
 readme = "README.md"
 authors = ["Florian Pfaff <pfaff@ias.uni-stuttgart.de>"]
-version = "2.2.1"
+version = "2.2.2"
 
 [build-system]
 requires = ["poetry-core>=2.0.0,<3.0.0"]