diff --git a/lib/dtable/src/components/block.tsx b/lib/dtable/src/components/block.tsx
index 06eaa611b8..657a7ee5cd 100644
--- a/lib/dtable/src/components/block.tsx
+++ b/lib/dtable/src/components/block.tsx
@@ -11,6 +11,7 @@ export function Block({
     scrollLeft,
     scrollTop,
     className,
+    cellClass,
     style,
     onRenderCell,
     children,
@@ -26,6 +27,7 @@ export function Block({
                 cols={left.list}
                 width={left.width}
                 rowHeight={rowHeight}
+                cellClass={cellClass}
                 onRenderCell={onRenderCell}
             />
         );
@@ -43,6 +45,7 @@ export function Block({
                 left={left.width}
                 width={center.width}
                 rowHeight={rowHeight}
+                cellClass={cellClass}
                 onRenderCell={onRenderCell}
             />
         );
@@ -59,6 +62,7 @@ export function Block({
                 left={left.width + center.width}
                 width={right.width}
                 rowHeight={rowHeight}
+                cellClass={cellClass}
                 onRenderCell={onRenderCell}
             />
         );
diff --git a/lib/dtable/src/components/cells.tsx b/lib/dtable/src/components/cells.tsx
index e7504d397d..4653c0d362 100644
--- a/lib/dtable/src/components/cells.tsx
+++ b/lib/dtable/src/components/cells.tsx
@@ -17,6 +17,7 @@ export function Cells({
     height = '100%',
     className,
     CellComponent = Cell,
+    cellClass,
     onRenderCell,
 }: CellsProps) {
     const rowsList = Array.isArray(rows) ? rows : [rows];
@@ -40,6 +41,7 @@ export function Cells({
                                     colIndex === colsCount - 1 ? 'is-last-in-row' : '',
                                     rowIndex ? '' : 'is-first-row',
                                     rowIndex === rowsCount - 1 ? 'is-last-row' : '',
+                                    cellClass,
                                 )}
                                 col={col}
                                 row={row}
diff --git a/lib/dtable/src/components/dtable.tsx b/lib/dtable/src/components/dtable.tsx
index 54a7411344..f5ede550f2 100644
--- a/lib/dtable/src/components/dtable.tsx
+++ b/lib/dtable/src/components/dtable.tsx
@@ -484,6 +484,7 @@ export class DTable extends Component<DTableOptions, DTableState> {
                     scrollLeft={scrollLeft}
                     rowHeight={headerHeight}
                     scrollTop={0}
+                    cellClass="dtable-header-cell"
                     rows={{id: 'HEADER', index: -1, top: 0}}
                     top={0}
                     onRenderCell={this.#handleRenderCell}
diff --git a/lib/dtable/src/types/block-props.ts b/lib/dtable/src/types/block-props.ts
index 4549714fd5..333fa9930b 100644
--- a/lib/dtable/src/types/block-props.ts
+++ b/lib/dtable/src/types/block-props.ts
@@ -13,6 +13,7 @@ export type BlockProps = {
     scrollLeft: number;
     scrollTop: number;
     className?: ClassNameLike;
+    cellClass?: ClassNameLike;
     style?: JSX.CSSProperties;
     onRenderCell?: CellRenderCallback;
     children?: ComponentChildren;
diff --git a/lib/dtable/src/types/cell.ts b/lib/dtable/src/types/cell.ts
index 2cb329cd93..2abf414030 100644
--- a/lib/dtable/src/types/cell.ts
+++ b/lib/dtable/src/types/cell.ts
@@ -41,6 +41,7 @@ export type CellsProps = {
     width?: number;
     height?: number | '100%';
     className?: ClassNameLike;
+    cellClass?: ClassNameLike;
     CellComponent?: preact.ComponentType<CellProps>;
     onRenderCell?: CellRenderCallback;
 };