diff --git a/src/spotifyaio/models.py b/src/spotifyaio/models.py
index b91ab4ae..71bb4be2 100644
--- a/src/spotifyaio/models.py
+++ b/src/spotifyaio/models.py
@@ -569,6 +569,7 @@ class Mode(IntEnum):
 class TimeSignature(IntEnum):
     """Time signature of a track."""
 
+    ONE_FOUR = 1
     THREE_FOUR = 3
     FOUR_FOUR = 4
     FIVE_FOUR = 5