diff --git a/.stats.yml b/.stats.yml
index 55ffae9..a1fba29 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 26
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/opencode%2Fopencode-be4c3fb58765ee2b56c3b548182b9d0f1a9d5ebb7c340083bc578bcf3876b026.yml
-openapi_spec_hash: dd5d801d838fd6b522b1dd892a75fce1
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/opencode%2Fopencode-e43db0e3b4300d892558381c46238315784de13f980822a3224a956d94dbadb3.yml
+openapi_spec_hash: eb2421d12fc2ffb165659b1af40a67e1
 config_hash: 1ae82c93499b9f0b9ba828b8919f9cb3
diff --git a/src/opencode_ai/types/event_list_response.py b/src/opencode_ai/types/event_list_response.py
index 1eb7421..1ac2771 100644
--- a/src/opencode_ai/types/event_list_response.py
+++ b/src/opencode_ai/types/event_list_response.py
@@ -111,6 +111,8 @@ class EventMessagePartRemovedProperties(BaseModel):
 
     part_id: str = FieldInfo(alias="partID")
 
+    session_id: str = FieldInfo(alias="sessionID")
+
 
 class EventMessagePartRemoved(BaseModel):
     properties: EventMessagePartRemovedProperties