diff --git a/generated_types.json b/generated_types.json
index efd71e5c..4b1a4fb8 100644
--- a/generated_types.json
+++ b/generated_types.json
@@ -6453,6 +6453,13 @@
             ],
             "description": "If true, disable real-time queries for this project. This can improve query performance for high-volume logs."
           },
+          "monitor_charts_use_metrics_start": {
+            "type": [
+              "boolean",
+              "null"
+            ],
+            "description": "If true, use metrics.start rather than created for monitor chart time bucket dimensions."
+          },
           "default_preprocessor": {
             "$ref": "#/components/schemas/NullableSavedFunctionId"
           }
diff --git a/py/src/braintrust/_generated_types.py b/py/src/braintrust/_generated_types.py
index 16cb2152..d32b171b 100644
--- a/py/src/braintrust/_generated_types.py
+++ b/py/src/braintrust/_generated_types.py
@@ -1916,6 +1916,10 @@ class ProjectSettings(TypedDict):
     """
     If true, disable real-time queries for this project. This can improve query performance for high-volume logs.
     """
+    monitor_charts_use_metrics_start: NotRequired[bool | None]
+    """
+    If true, use metrics.start rather than created for monitor chart time bucket dimensions.
+    """
     default_preprocessor: NotRequired[NullableSavedFunctionId | None]
 
 
diff --git a/py/src/braintrust/generated_types.py b/py/src/braintrust/generated_types.py
index ece0e4c1..875ab164 100644
--- a/py/src/braintrust/generated_types.py
+++ b/py/src/braintrust/generated_types.py
@@ -1,4 +1,4 @@
-"""Auto-generated file (content hash 8edae789624e11d2) -- do not modify"""
+"""Auto-generated file (content hash 37813d3baba101c0) -- do not modify"""
 
 from ._generated_types import (
     Acl,