diff --git a/invokeai/frontend/web/src/features/regionalPrompts/util/renderers.ts b/invokeai/frontend/web/src/features/regionalPrompts/util/renderers.ts
index ae1c2a9d38..80bb1ddad5 100644
--- a/invokeai/frontend/web/src/features/regionalPrompts/util/renderers.ts
+++ b/invokeai/frontend/web/src/features/regionalPrompts/util/renderers.ts
@@ -528,7 +528,7 @@ const background = (stage: Konva.Stage, width: number, height: number) => {
   background.fillPatternOffset(stagePos);
 };
 
-const DEBOUNCE_MS = 100;
+const DEBOUNCE_MS = 300;
 
 export const renderers = {
   toolPreview,