diff --git a/Cargo.toml b/Cargo.toml
index 81bf7a7..f3bbb6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ parking_lot = "0.12"
 rayon = "1"
 
 [dependencies.pyo3]
-version = "0.16.4"
+version = "0.29.0"
 features = ["extension-module"]
 
 [build-dependencies]