diff --git a/Cargo.toml b/Cargo.toml
index 6236230..a82f793 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT OR Apache-2.0"
 edition = "2018"
 
 [dependencies]
-rand = "0.7.3"
+rand = "0.8.4"
 
 [dev-dependencies]
 lru = "0.6.1"