diff --git a/Cargo.toml b/Cargo.toml
index 567897a..c8a8c31 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,5 +12,5 @@ crate-type = ["cdylib"]
 cpp_demangle = "0.4.0"
 
 [dependencies.pyo3]
-version = "0.17.3"
+version = "0.28.3"
 features = ["extension-module", "abi3"]