diff --git a/Cargo.toml b/Cargo.toml
index b7f0b4b..7e44b86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/mgeisler/smawk"
 description = "Functions for finding row-minima in a totally monotone matrix."
 
 [dependencies]
-ndarray = { version = "0.15.4", optional = true }
+ndarray = { version = "0.16.1", optional = true }
 
 [dev-dependencies]
 num-traits = "0.2.14"