diff --git a/rust/fizzbuzzo3/Cargo.toml b/rust/fizzbuzzo3/Cargo.toml
index 542e91a..2b3f883 100644
--- a/rust/fizzbuzzo3/Cargo.toml
+++ b/rust/fizzbuzzo3/Cargo.toml
@@ -10,7 +10,7 @@ crate-type = ["cdylib"]  # cdylib required for python import, rlib required for
 
 [dependencies]
 fizzbuzz = { path = "../fizzbuzz" }
-pyo3 = "0.27.2"
+pyo3 = "0.28.0"
 rayon = "1.10.0"
 
 [dev-dependencies]