diff --git a/package.json b/package.json
index 30c3a5a21..247364015 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "type": "git",
     "url": "https://github.com/airbnb/lottie-web.git"
   },
+  "sideEffects": false,
   "scripts": {
     "build": "npx eslint ./player/js/**/* && rollup -c && node tasks/build_worker",
     "build_test": "node tasks/build.js",
diff --git a/player/js/worker_wrapper.js b/player/js/worker_wrapper.js
index af701319f..76798a2de 100644
--- a/player/js/worker_wrapper.js
+++ b/player/js/worker_wrapper.js
@@ -530,6 +530,10 @@ function workerContent() {
       if (animations[payload.id]) {
         animations[payload.id].animation.playSegments(payload.arr, payload.forceFlag);
       }
+    } else if (type === 'resetSegments') {
+      if (animations[payload.id]) {
+        animations[payload.id].animation.resetSegments(payload.forceFlag);
+      }
     } else if (type === 'updateDocumentData') {
       animations[payload.id].animation.updateDocumentData(payload.path, payload.documentData, payload.index);
     }