diff --git a/src/simulations/schema.py b/src/simulations/schema.py
index eaba394..19409fa 100644
--- a/src/simulations/schema.py
+++ b/src/simulations/schema.py
@@ -12,6 +12,7 @@ from src.plant_transaction_data_simulations.schema import (
 
 
 class SimulationBase(DefaultBase):
+    id: UUID
     label: Optional[str] = Field(None, nullable=False)
     version: Optional[int] = Field(None, nullable=True, ge=0, le=9_999_999_999)
     created_at: Optional[datetime] = Field(None, nullable=True)
@@ -39,7 +40,7 @@ class SimulationRead(SimulationBase):
 
 
 class SimulationPagination(Pagination):
-    items: List[SimulationRead] = []
+    items: List[SimulationBase] = []
 
 
 class MasterDataOverride(DefaultBase):