diff --git a/Cargo.toml b/Cargo.toml
index aa69040..7ce586b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,5 +9,5 @@ name = "zxcvbn_rs_py"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = "^0.23"
+pyo3 = {version = "0.22", features = ["gil-refs"]}
 zxcvbn = "3.1.0"