diff --git a/Cargo.toml b/Cargo.toml
index 2c479aa..83ac7d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ biosphere = "0.3.0"
 [dev-dependencies]
 rstest = "0.19"
 assert_approx_eq = "1.1"
-ndarray-rand = "0.14"
+ndarray-rand = "0.15"
 ndarray = { version = "0.15", features = ["approx"] }
 ndarray-csv = "^0.5"
 csv = "^1"