diff --git a/Cargo.toml b/Cargo.toml
index ae50f398..e37cf5d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -105,7 +105,7 @@ jemallocator = { version = "0.5", optional = true }
 roots = "0.0.8"
 
 # Least squares solver
-ndarray = { version = "0.15", features = ["approx"] }
+ndarray = { version = "0.16", features = ["approx"] }
 modcholesky = "0.1"