diff --git a/Cargo.toml b/Cargo.toml
index 6d78154..4eb2934 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,4 +48,4 @@ features = [
 version = "0.2"
 
 [target.'cfg(unix)'.dependencies]
-nix = "0.28"
+nix = { version = "0.29", features = ["process", "signal"] }
diff --git a/src/repl.rs b/src/repl.rs
index 45c78a2..66ed2e4 100644
--- a/src/repl.rs
+++ b/src/repl.rs
@@ -548,7 +548,7 @@ where
                 // If `--instead-crlf` is true, change to "\r\n"
                 if *flags.lock().unwrap().instead_crlf() && key == Key::Char('\r') {
                     // Send carriage return
-                    port.send(&[ b'\r', b'\n' ]);
+                    port.send(b"\r\n");
                     continue;
                 }