diff --git a/homeassistant/components/light/lifx.py b/homeassistant/components/light/lifx.py
index 911262b75c9..5e43d50eabf 100644
--- a/homeassistant/components/light/lifx.py
+++ b/homeassistant/components/light/lifx.py
@@ -523,7 +523,7 @@ class LIFXLight(Light):
                         break
 
                 if not ack:
-                    _LOGGER.warn("Packet %d not ACK'd", seq)
+                    _LOGGER.warning("Packet %d not ACK'd", seq)
 
             # pylint: disable=broad-except
             except Exception as exc: