diff --git a/pyproject.toml b/pyproject.toml
index 30f7aa2..2432f91 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "optype"
-version = "0.5.0"
+version = "0.6.0"
 description = "Building blocks for precise & flexible type hints"
 authors = ["Joren Hammudoglu <jhammudoglu@gmail.com>"]
 license = "BSD-3-Clause"