diff --git a/sprs-benches/Cargo.toml b/sprs-benches/Cargo.toml
index 5a3e59d2..e468f93d 100644
--- a/sprs-benches/Cargo.toml
+++ b/sprs-benches/Cargo.toml
@@ -10,7 +10,7 @@ edition.workspace = true
 sprs = { version = "0.11.0", path = "../sprs" }
 sprs-rand = { version = "0.4.0", path = "../sprs-rand" }
 plotters = "0.3.4"
-pyo3 = { version = "0.18.3", features = ["auto-initialize"] }
+pyo3 = { version = "0.22.3", features = ["auto-initialize"] }
 
 [build-dependencies]
 cc = "1.0.52"