diff --git a/Cargo.lock b/Cargo.lock
index 4f4d520..66a10ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -405,7 +405,7 @@ dependencies = [
  "nmea",
  "proptest",
  "rand 0.8.6",
- "rand_chacha 0.3.1",
+ "rand_chacha 0.9.0",
  "rstest",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 5d9eba2..e6b0049 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -69,7 +69,7 @@ serde_json = "1"
 thiserror = "2.0"
 clap = { version = "4.5", features = ["derive"] }
 rand = "0.8"
-rand_chacha = "0.3"
+rand_chacha = "0.9"
 mavlink = { version = "0.13", default-features = false, features = ["common", "std"] }
 tokio-serial = "5.4"
 tokio-util = { version = "0.7", features = ["codec"] }