diff --git a/Cargo.toml b/Cargo.toml
index 00fe4e0..ad5e372 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -120,11 +120,11 @@ futures = "0.3"
 inventory = { version = "0.3", optional = true }
 once_cell = "1.14"
 pin-project-lite = "0.2"
-pyo3 = "0.22"
+pyo3 = "0.23"
 pyo3-async-runtimes-macros = { path = "pyo3-async-runtimes-macros", version = "=0.22.0", optional = true }
 
 [dev-dependencies]
-pyo3 = { version = "0.22", features = ["macros"] }
+pyo3 = { version = "0.23", features = ["macros"] }
 
 [dependencies.async-std]
 version = "1.12"