diff --git a/src/component/DualSpreadsheet/types.ts b/src/component/DualSpreadsheet/types.ts
index dd81865..56fe59a 100644
--- a/src/component/DualSpreadsheet/types.ts
+++ b/src/component/DualSpreadsheet/types.ts
@@ -3,7 +3,7 @@ import { CSSProperties } from 'react'
 import { VariableSizeGrid } from 'react-window'
 
 export const ROW_COUNT = 90
-export const COL_COUNT = 20
+export const COL_COUNT = 26
 export const ROW_HEIGHT = 28
 
 export const SHEET_NAMES = {