diff --git a/Cargo.toml b/Cargo.toml
index 9bdab53e..ac282611 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ thiserror = "1.0"
 
 [dev-dependencies]
 bencher = "0.1"
-rand = "0.4"
+rand = "0.7"
 walkdir = "1.0"
 
 [features]