diff --git a/crates/jsonschema-py/Cargo.toml b/crates/jsonschema-py/Cargo.toml
index 332ff180..b923d800 100644
--- a/crates/jsonschema-py/Cargo.toml
+++ b/crates/jsonschema-py/Cargo.toml
@@ -23,5 +23,5 @@ pyo3-build-config = { version = "0.23.1", features = ["resolve-config"] }
 jsonschema = { path = "../jsonschema/" }
 serde.workspace = true
 serde_json.workspace = true
-pyo3 = { version = "0.22.2", features = ["extension-module"] }
+pyo3 = { version = "0.23.3", features = ["extension-module"] }
 pyo3-built = "0.5"