diff --git a/Cargo.toml b/Cargo.toml
index 3878463..5fd4d36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ thiserror = "1"
 [dev-dependencies]
 approx = "0.5"
 criterion = "0.5"
-ndarray-rand = "0.14.0"
+ndarray-rand = "0.15.0"
 
 [[bench]]
 name = "ball_tree"