diff --git a/Cargo.toml b/Cargo.toml
index fa733e4..d751fbc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ version = "0.22"
 features = ["extension-module"]
 
 [dependencies.ndarray]
-version = "0.15"
+version = "0.16"
 default-features = false # do not include the default features, and optionally
                          # cherry-pick individual features
 features = ["rayon"]