diff --git a/Cargo.toml b/Cargo.toml
index e46343c..81dd3fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,5 +12,5 @@ readme = "README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.7.2"
+rand = "0.8.4"
 hex = "0.4.0"