diff --git a/bower.json b/bower.json
index 7730a03..c4f72c8 100644
--- a/bower.json
+++ b/bower.json
@@ -2,7 +2,7 @@
   "name": "html-imports",
   "main": "html-imports.min.js",
   "description": "HTML Imports polyfill",
-  "version": "1.0.0-rc.3",
+  "version": "1.0.0-rc.4",
   "homepage": "https://webcomponents.org/polyfills",
   "authors": [
     "The Polymer Authors (https://polymer.github.io/AUTHORS.txt)"
diff --git a/package.json b/package.json
index 53700bb..00d1fb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webcomponents/html-imports",
-  "version": "1.0.0-rc.3",
+  "version": "1.0.0-rc.4",
   "description": "HTML Imports polyfill",
   "main": "html-imports.min.js",
   "directories": {