diff --git a/crates/quota-router-core/Cargo.toml b/crates/quota-router-core/Cargo.toml
index 8801353e..84ffabab 100644
--- a/crates/quota-router-core/Cargo.toml
+++ b/crates/quota-router-core/Cargo.toml
@@ -113,7 +113,7 @@ axum = { version = "0.7", optional = true }
 bytes = { version = "1", optional = true }
 
 # PyO3 (for any-llm-mode py_bridge module — calls official Python SDKs)
-pyo3 = { version = "0.21", optional = true }
+pyo3 = { version = "0.29", optional = true }
 regex = "1.12.3"
 base64 = "0.22.1"
 quick-xml = { version = "0.40.1", features = ["serialize"] }