diff --git a/Cargo.toml b/Cargo.toml
index c4a12c6..87510a5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ criterion = "0.5"
 lazy_static = "1.4"
 proptest = "1.0"
 rand = "0.8"
-rand_chacha = "0.3"
+rand_chacha = "0.9"
 serde_json = "1.0"
 
 [features]