diff --git a/airflow/providers/google/cloud/hooks/vertex_ai/auto_ml.py b/airflow/providers/google/cloud/hooks/vertex_ai/auto_ml.py
index 26d3425368288..12c480a28d34c 100644
--- a/airflow/providers/google/cloud/hooks/vertex_ai/auto_ml.py
+++ b/airflow/providers/google/cloud/hooks/vertex_ai/auto_ml.py
@@ -44,6 +44,7 @@
     optimizationObjective
 """
 
+import warnings
 from typing import Dict, List, Optional, Sequence, Tuple, Union
 
 from google.api_core.client_options import ClientOptions
@@ -444,6 +445,13 @@ def create_auto_ml_tabular_training_job(
             concurrent Future and any downstream object will be immediately returned and synced when the
             Future has completed.
         """
+        if column_transformations:
+            warnings.warn(
+                "Consider using column_specs as column_transformations will be deprecated eventually.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         self._job = self.get_auto_ml_tabular_training_job(
             project=project_id,
             location=region,
@@ -658,6 +666,13 @@ def create_auto_ml_forecasting_training_job(
             concurrent Future and any downstream object will be immediately returned and synced when the
             Future has completed.
         """
+        if column_transformations:
+            warnings.warn(
+                "Consider using column_specs as column_transformations will be deprecated eventually.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         self._job = self.get_auto_ml_forecasting_training_job(
             project=project_id,
             location=region,