diff --git a/acmed/Cargo.toml b/acmed/Cargo.toml
index ac0cde2..dac05dc 100644
--- a/acmed/Cargo.toml
+++ b/acmed/Cargo.toml
@@ -30,4 +30,4 @@ serde = { version = "1.0", features = ["derive"] }
 toml = "0.5"
 
 [target.'cfg(unix)'.dependencies]
-nix = "0.15"
+nix = "0.16"