diff --git a/README.md b/README.md
index dde37dc..3bcdbae 100644
--- a/README.md
+++ b/README.md
@@ -91,10 +91,14 @@ server.get(route, (req, res) => {
 
 _Inserts a tracker into the vault._
 
+Returns: Result of update function (use await for async updates).
+
 ### .trigger(key)
 
 _Manually runs a tracker._
 
+Returns: Result of update function (use await for async updates).
+
 ### .prototype
 
 As `unvault` extends [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map), all of its functions are available: `clear()`, `delete(key)`, `entries()` and more!
diff --git a/lib/index.js b/lib/index.js
index 05532ec..80a1c4d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,9 +6,9 @@ class Unvault extends Map {
    * @param {function} update
    * @param {object} options
    */
-  insert(key, interval, update, options) {
+  async insert(key, interval, update, options) {
     this.set(key, { interval, update, ...options });
-    this.trigger(key, interval !== 0);
+    return this.trigger(key, interval !== 0);
   }
 
   /**
@@ -37,6 +37,7 @@ class Unvault extends Map {
         this.trigger(key, automated);
       }, tracker.interval);
     }
+    return value;
   }
 }
 
diff --git a/package.json b/package.json
index 6b095de..ca59e27 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "unvault",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "A minimal layer for node that allows results of time-consuming tasks to be stored.",
   "repository": "vaneenige/unvault",
   "main": "lib/index.js",