diff --git a/Cargo.toml b/Cargo.toml
index 57de5e6..8903051 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ pyo3 = { version = "0.24", default-features = false }
 
 [dev-dependencies]
 serde = { version = "1.0", default-features = false, features = ["derive"] }
-pyo3 = { version = "0.24", default-features = false, features = ["auto-initialize", "macros", "py-clone"] }
+pyo3 = { version = "0.24.1", default-features = false, features = ["auto-initialize", "macros", "py-clone"] }
 serde_json = "1.0"
 serde_bytes = "0.11"
 maplit = "1.0.2"