diff --git a/src/SparkRenderer.ts b/src/SparkRenderer.ts
index 25434513..eea1d7b3 100644
--- a/src/SparkRenderer.ts
+++ b/src/SparkRenderer.ts
@@ -675,6 +675,9 @@ export class SparkRenderer extends THREE.Mesh {
     // @ts-ignore Object3D has a dispose method in Three.js >= r186
     super.dispose?.();
 
+    this.geometry.dispose();
+    this.material.dispose();
+
     if (this.target) {
       this.target.dispose();
       this.target = undefined;