diff --git a/Cargo.toml b/Cargo.toml
index 7850057..bbd76d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,5 +9,5 @@ name = "zxcvbn_rs_py"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = "^0.23"
+pyo3 = ">=0.23,<0.27"
 zxcvbn = "3.1.0"