diff --git a/bindings/python/Cargo.toml b/bindings/python/Cargo.toml
index 7f63e60aa..3d7af73bd 100644
--- a/bindings/python/Cargo.toml
+++ b/bindings/python/Cargo.toml
@@ -14,7 +14,7 @@ serde = { version = "1.0", features = [ "rc", "derive" ]}
 serde_json = "1.0"
 libc = "0.2"
 env_logger = "0.11"
-pyo3 = { version = "0.21" }
+pyo3 = { version = "0.22" }
 numpy = "0.21"
 ndarray = "0.15"
 itertools = "0.12"
@@ -24,7 +24,7 @@ path = "../../tokenizers"
 
 [dev-dependencies]
 tempfile = "3.10"
-pyo3 = { version = "0.21", features = ["auto-initialize"] }
+pyo3 = { version = "0.22", features = ["auto-initialize"] }
 
 [features]
 defaut = ["pyo3/extension-module"]