diff --git a/shaperglot-py/Cargo.toml b/shaperglot-py/Cargo.toml
index 7b1b80f..f4faa07 100644
--- a/shaperglot-py/Cargo.toml
+++ b/shaperglot-py/Cargo.toml
@@ -11,4 +11,4 @@ crate-type = ["cdylib"]
 [dependencies]
 shaperglot = { path = "../shaperglot-lib" }
 pyo3 = "0.22"
-pythonize = "0.22.0"
+pythonize = "0.23.0"