diff --git a/caravel/models.py b/caravel/models.py
index 1769daa965b8..b4bcdd3f1e97 100644
--- a/caravel/models.py
+++ b/caravel/models.py
@@ -346,6 +346,7 @@ def grains(self):
                 Grain("year", "DATE_TRUNC('year', {col})"),
             ),
         }
+        db_time_grains['redshift'] = db_time_grains['postgresql']
         for db_type, grains in db_time_grains.items():
             if self.sqlalchemy_uri.startswith(db_type):
                 return grains