diff --git a/pyproject.toml b/pyproject.toml
index 4c84615..946bcb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ description = "Python module (in c) for siphash-2-4"
 keywords = ["siphash", "siphash-2-4"]
 name = "siphashc"
 requires-python = ">=3.8"
-version = "2.1"
+version = "2.2"
 
 [[project.authors]]
 email = "michal@cihar.com"