diff --git a/tsar-py/Cargo.toml b/tsar-py/Cargo.toml
index 22a8433..65c899c 100644
--- a/tsar-py/Cargo.toml
+++ b/tsar-py/Cargo.toml
@@ -9,6 +9,6 @@ name = "tsar"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.29.0", features = ["extension-module"] }
+pyo3 = { version = "0.30.1", features = ["extension-module"] }
 rayon = "1.5.3"
 tsar-rs = { path = "../tsar-rs" }