diff --git a/bindings/python/Cargo.toml b/bindings/python/Cargo.toml
index 8efac7f..cc42966 100644
--- a/bindings/python/Cargo.toml
+++ b/bindings/python/Cargo.toml
@@ -14,7 +14,7 @@ crate-type = ["cdylib"]
 built = { version = "0.7.1", features = ["cargo-lock", "chrono"] }
 
 [dependencies]
-pyo3 = { version = "0.22.0", features = ["extension-module", "abi3-py37"] }
+pyo3 = { version = "0.23.3", features = ["extension-module", "abi3-py37"] }
 pyo3-built = "0.5"
 rayon = "1"
 url = "2"