diff --git a/crates/pyetwkit-core/Cargo.toml b/crates/pyetwkit-core/Cargo.toml
index f3b55a5..de6ba67 100644
--- a/crates/pyetwkit-core/Cargo.toml
+++ b/crates/pyetwkit-core/Cargo.toml
@@ -18,7 +18,7 @@ crate-type = ["cdylib", "rlib"]
 ferrisetw = "1.2"
 
 # Python bindings
-pyo3 = { version = "0.29", features = ["extension-module"] }
+pyo3 = { version = "0.30", features = ["extension-module"] }
 # Note: pyo3-asyncio not yet compatible with pyo3 0.25
 # Async support will be added via Python-side asyncio wrapper