diff --git a/impit-python/Cargo.toml b/impit-python/Cargo.toml
index d4d6a12f..73b4981e 100644
--- a/impit-python/Cargo.toml
+++ b/impit-python/Cargo.toml
@@ -15,7 +15,7 @@ h2 = "0.4.7"
 reqwest = "0.13.1"
 tokio-stream = "0.1.17"
 bytes = "1.9.0"
-pyo3 = { version = "0.27", features = ["extension-module", "auto-initialize"] }
+pyo3 = { version = "0.28", features = ["extension-module", "auto-initialize"] }
 pyo3-async-runtimes = { version = "0.27", features = ["attributes", "async-std-runtime", "tokio-runtime"] }
 openssl = { version = "*", features = ["vendored"] }
 urlencoding = "2.1.3"