diff --git a/python/Cargo.toml b/python/Cargo.toml
index a2dcea5..2ea66f7 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -11,10 +11,10 @@ name = "flagd_evaluator"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.22", features = ["extension-module", "abi3-py39"] }
+pyo3 = { version = "0.28", features = ["extension-module", "abi3-py39"] }
 pythonize = "0.22"
 flagd-evaluator = { path = "..", default-features = false }
 serde_json = "1.0"
 
 [dev-dependencies]
-pyo3 = { version = "0.22", features = ["auto-initialize", "abi3-py39"] }
+pyo3 = { version = "0.28", features = ["auto-initialize", "abi3-py39"] }