diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a7d7d5..30793fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ use patch releases for compatibility fixes instead.
 ### Fixed
 
 - Added missing `account_id` field to `Node` data model.
+- Added missing `identity` field to `Session` data model.
 
 ## [v1.11.2](https://github.com/allenai/beaker-py/releases/tag/v1.11.2) - 2022-10-07
 
diff --git a/beaker/data_model/job.py b/beaker/data_model/job.py
index 8582b20..dfd65fd 100644
--- a/beaker/data_model/job.py
+++ b/beaker/data_model/job.py
@@ -143,6 +143,7 @@ class Session(BaseModel):
     ports: Optional[Tuple[int, ...]] = None
     priority: Optional[Priority] = None
     work_dir: Optional[str] = None
+    identity: Optional[str] = None
 
 
 class Job(BaseModel):