diff --git a/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/source.py b/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/source.py
index 94e5337c899ba0..ccf8b8890a40b1 100644
--- a/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/source.py
+++ b/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/source.py
@@ -124,6 +124,7 @@ def _update_insights_streams(self, insights: List[InsightConfig], default_args,
                 time_increment=insight.time_increment,
                 start_date=insight.start_date or default_args["start_date"],
                 end_date=insight.end_date or default_args["end_date"],
+                insights_lookback_window=insight.insights_lookback_window or default_args["insights_lookback_window"],
             )
             insight_stream = AdsInsights(**args)
             insights_custom_streams.append(insight_stream)
diff --git a/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/spec.py b/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/spec.py
index a9a908d9b44752..6acee06f9d3dbf 100644
--- a/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/spec.py
+++ b/airbyte-integrations/connectors/source-facebook-marketing/source_facebook_marketing/spec.py
@@ -77,6 +77,14 @@ class Config:
         pattern=DATE_TIME_PATTERN,
         examples=["2017-01-26T00:00:00Z"],
     )
+    insights_lookback_window: Optional[PositiveInt] = Field(
+        title="Custom Insights Lookback Window",
+        description=(
+            "The attribution window"
+        ),
+        exclusiveMaximum=28,
+        default=28,
+    )
 
 
 class ConnectorConfig(BaseConfig):