diff --git a/Cargo.toml b/Cargo.toml
index 0e6db3c..65490ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ crate-type=["lib"]
 [dependencies]
 eyre        ="0.6.12"
 rand        ="0.8.5"
-rand_core   ="0.6.4"
+rand_core   ="0.9.0"
 sha2        ="0.10.8"
 thiserror   ="2.0.0"
 serde       ={ version="1.0.205", features=["derive"] }