diff --git a/Cargo.toml b/Cargo.toml
index 5805942..bad2e17 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ name = "foobar"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.27.1", features = ["extension-module"] }
+pyo3 = { version = "0.28.0", features = ["extension-module"] }
 
 [package.metadata.maturin]
 python-source = "python"