diff --git a/Cargo.toml b/Cargo.toml
index 6bff35c..8a79083 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ categories = ["science"]
 
 [dependencies]
 bitvec = "1"
-rand = "0.8"
+rand = "0.9"
 rand_distr = "0.4"
 thiserror = "1"