diff --git a/lib/mongoosastic.js b/lib/mongoosastic.js
index 7d85f668..ff5aa1e0 100644
--- a/lib/mongoosastic.js
+++ b/lib/mongoosastic.js
@@ -812,6 +812,9 @@ function Mongoosastic (schema, pluginOpts) {
     inSchema.post('insertMany', (docs) => {
       docs.forEach((doc) => postSave(doc))
     })
+    inSchema.post('update', function () {
+      this.model.synchronize(this.getQuery())
+    })
   }
 
   if (indexAutomatically) {