diff --git a/package-lock.json b/package-lock.json
index 3cb263e0a5..4be15eee28 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@polymer/polymer",
-  "version": "3.0.0-pre.12",
+  "version": "3.0.0-pre.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index d8331763f2..e147e23b8d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polymer/polymer",
-  "version": "3.0.0-pre.12",
+  "version": "3.0.0-pre.13",
   "description": "The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to write",
   "main": "polymer-element.js",
   "directories": {