diff --git a/async-openai/Cargo.toml b/async-openai/Cargo.toml
index 436e7534..3355972a 100644
--- a/async-openai/Cargo.toml
+++ b/async-openai/Cargo.toml
@@ -31,7 +31,7 @@ async-openai-macros = { path = "../async-openai-macros", version = "0.1.0" }
 backoff = { version = "0.4.0", features = ["tokio"] }
 base64 = "0.22.1"
 futures = "0.3.31"
-rand = "0.8.5"
+rand = "0.9.0"
 reqwest = { version = "0.12.12", features = [
   "json",
   "stream",
diff --git a/async-openai/src/download.rs b/async-openai/src/download.rs
index 087ba6f3..e3d9a1e4 100644
--- a/async-openai/src/download.rs
+++ b/async-openai/src/download.rs
@@ -1,7 +1,7 @@
 use std::path::{Path, PathBuf};
 
 use base64::{engine::general_purpose, Engine as _};
-use rand::{distributions::Alphanumeric, Rng};
+use rand::{distr::Alphanumeric, Rng};
 use reqwest::Url;
 
 use crate::error::OpenAIError;
@@ -57,7 +57,7 @@ pub(crate) async fn download_url<P: AsRef<Path>>(
 }
 
 pub(crate) async fn save_b64<P: AsRef<Path>>(b64: &str, dir: P) -> Result<PathBuf, OpenAIError> {
-    let filename: String = rand::thread_rng()
+    let filename: String = rand::rng()
         .sample_iter(&Alphanumeric)
         .take(10)
         .map(char::from)