diff --git a/frontend/src/tools/drawing/TableTool.ts b/frontend/src/tools/drawing/TableTool.ts
index c869972..15300a5 100644
--- a/frontend/src/tools/drawing/TableTool.ts
+++ b/frontend/src/tools/drawing/TableTool.ts
@@ -26,7 +26,7 @@ class TableTool extends Tool {
         const x = this.startPoint.x;
         const y = this.startPoint.y;
         this.yjsDoc.createElement({
-          id: Date.now().toString(),
+          id: crypto.randomUUID(),
           type: 'round_table',
           layerId: 'default',
           x: x - this.radius,
@@ -46,7 +46,7 @@ class TableTool extends Tool {
         const width = Math.abs(event.clientX - this.startPoint.x);
         const height = Math.abs(event.clientY - this.startPoint.y);
         this.yjsDoc.createElement({
-          id: Date.now().toString(),
+          id: crypto.randomUUID(),
           type: 'rectangular_table',
           layerId: 'default',
           x,