diff --git a/src/CEDS-Data-Warehouse-Project/RDS/Tables/DimDataCollections.sql b/src/CEDS-Data-Warehouse-Project/RDS/Tables/DimDataCollections.sql
index e5f888d..afefca1 100644
--- a/src/CEDS-Data-Warehouse-Project/RDS/Tables/DimDataCollections.sql
+++ b/src/CEDS-Data-Warehouse-Project/RDS/Tables/DimDataCollections.sql
@@ -8,6 +8,9 @@ CREATE TABLE [RDS].[DimDataCollections] (
     [DataCollectionCloseDate]              DATETIME       NULL,
     [DataCollectionAcademicSchoolYear]     NVARCHAR (7)   NULL,
     [DataCollectionSchoolYear]             NVARCHAR (7)   NULL,
+    [DataCollectionCertificationCloseDate] DATETIME       NULL,
+    [DataCollectionCertificationOpenDate]  DATETIME       NULL,
+    [DataCollectionCorrectionsEndDate]     DATETIME       NULL,
     CONSTRAINT [PK_DimCollections] PRIMARY KEY CLUSTERED ([DimDataCollectionId] ASC) WITH (DATA_COMPRESSION = PAGE)
 );