diff --git a/generated_types.json b/generated_types.json
index 98054cd..1da190d 100644
--- a/generated_types.json
+++ b/generated_types.json
@@ -2505,6 +2505,21 @@
             ],
             "description": "Version number of the linked dataset the experiment was run against. This can be used to reproduce the experiment after the dataset has been modified."
           },
+          "parameters_id": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "format": "uuid",
+            "description": "Identifier of the linked saved parameters object, or null if the experiment is not linked to saved parameters"
+          },
+          "parameters_version": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "description": "Version number of the linked saved parameters object the experiment was run against."
+          },
           "public": {
             "type": "boolean",
             "description": "Whether or not the experiment is public. Public experiments can be viewed by anybody inside or outside the organization"
@@ -8490,8 +8505,7 @@
     "description": "Publicly exported typespecs for the Braintrust API.",
     "license": {
       "name": "Apache 2.0"
-    },
-    "x-internal-git-sha": "f461ffe3b4488dc9e8b7ff5a441d75cab0c822ff"
+    }
   },
   "paths": {},
   "webhooks": {}
diff --git a/py/src/braintrust/_generated_types.py b/py/src/braintrust/_generated_types.py
index 6c837b8..bf62122 100644
--- a/py/src/braintrust/_generated_types.py
+++ b/py/src/braintrust/_generated_types.py
@@ -2904,6 +2904,14 @@ class Experiment(TypedDict):
     """
     Version number of the linked dataset the experiment was run against. This can be used to reproduce the experiment after the dataset has been modified.
     """
+    parameters_id: NotRequired[str | None]
+    """
+    Identifier of the linked saved parameters object, or null if the experiment is not linked to saved parameters
+    """
+    parameters_version: NotRequired[str | None]
+    """
+    Version number of the linked saved parameters object the experiment was run against.
+    """
     public: bool
     """
     Whether or not the experiment is public. Public experiments can be viewed by anybody inside or outside the organization
diff --git a/py/src/braintrust/generated_types.py b/py/src/braintrust/generated_types.py
index 7f7517c..6f49a6e 100644
--- a/py/src/braintrust/generated_types.py
+++ b/py/src/braintrust/generated_types.py
@@ -1,4 +1,4 @@
-"""Auto-generated file (internal git SHA f461ffe3b4488dc9e8b7ff5a441d75cab0c822ff) -- do not modify"""
+"""Auto-generated file (content hash 65ee1878ee4535ba) -- do not modify"""
 
 from ._generated_types import (
     Acl,