diff --git a/addon/mixins/model.js b/addon/mixins/model.js
index ff58f7b..6cc1dac 100644
--- a/addon/mixins/model.js
+++ b/addon/mixins/model.js
@@ -126,7 +126,7 @@ export default Mixin.create({
 
   tempId() {
     if (!this._tempId) {
-      this._tempId = guidFor(this);
+      this._tempId = `${guidFor(this)}-${+new Date()}`;
     }
     return this._tempId;
   },
diff --git a/package.json b/package.json
index a548dd9..6297243 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-data-jsonapi-extensions",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "The default blueprint for ember-cli addons.",
   "keywords": [
     "ember-addon"