diff --git a/pyproject.toml b/pyproject.toml
index 6f35cbd..4212c92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tibia"
-version = "2.3.0"
+version = "2.3.1"
 description = "Monads in python for pipeline-based development with Rust-like interface"
 authors = ["Ilya Katun <katun.ilya@gmail.com>"]
 readme = "README.md"