diff --git a/Cargo.toml b/Cargo.toml
index 9f6b543..2313d45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ name = "pydeduplines"
 crate-type = ["cdylib"]
 
 [dependencies.pyo3]
-version = "0.15.1"
+version = "0.29.0"
 features = ["extension-module"]
 
 [dependencies]