diff --git a/Cargo.toml b/Cargo.toml
index 81861c8..b184e40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,3 +22,4 @@ path = "src/main.rs"
 bvh = "0.3.2"
 derive_more = "0.99.3"
 image = "0.23.0"
+rand = "0.7"