diff --git a/src/slider/tp-slider-slide.ts b/src/slider/tp-slider-slide.ts
index 22ce814..ef78565 100644
--- a/src/slider/tp-slider-slide.ts
+++ b/src/slider/tp-slider-slide.ts
@@ -22,6 +22,17 @@ export class TPSliderSlideElement extends HTMLElement {
 	 */
 	protected handleHeightChange(): void {
 		const slider: TPSliderElement | null = this.closest( 'tp-slider' );
-		slider?.handleResize();
+		if ( ! slider ) {
+			return;
+		}
+
+		/**
+		 * Yield to main thread to avoid observation errors.
+		 *
+		 * @see https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver#observation_errors
+		 */
+		setTimeout( (): void => {
+			slider.handleResize();
+		}, 0 );
 	}
 }
diff --git a/src/slider/tp-slider.ts b/src/slider/tp-slider.ts
index 87f2b06..0461783 100644
--- a/src/slider/tp-slider.ts
+++ b/src/slider/tp-slider.ts
@@ -56,7 +56,7 @@ export class TPSliderElement extends HTMLElement {
 			document.fonts.ready.then( () => this.handleResize() );
 		}
 
-		this.addEventListener( 'touchstart', this.handleTouchStart.bind( this ) );
+		this.addEventListener( 'touchstart', this.handleTouchStart.bind( this ), { passive: true } );
 		this.addEventListener( 'touchend', this.handleTouchEnd.bind( this ) );
 	}