diff --git a/Cargo.toml b/Cargo.toml
index e6458e1..cbc3753 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -126,7 +126,7 @@ bio = "2.0"
 needletail = "0.5"
 ahash = "0.8.11"
 numpy = "0.21"
-ndarray = { version = "0.15", features = ["serde", "rayon"] }
+ndarray = { version = "0.16", features = ["serde", "rayon"] }
 num-traits = { version = "0.2" }
 serde = "1.0"
 serde_derive = "1.0"