diff --git a/aidbox_python_sdk/types.py b/aidbox_python_sdk/types.py
index 167fe98..13c4b61 100644
--- a/aidbox_python_sdk/types.py
+++ b/aidbox_python_sdk/types.py
@@ -5,7 +5,7 @@
 
 SDKOperationRequest = TypedDict(
     "SDKOperationRequest",
-    {"app": web.Application, "params": dict, "route-params": dict, "resource": Any},
+    {"app": web.Application, "params": dict, "route-params": dict, "headers": dict, "resource": Any},
 )