diff --git a/package-lock.json b/package-lock.json
index b693f64..dc190ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@github/details-menu-element",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 55c29c8..07e7575 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@github/details-menu-element",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "A menu opened with a <details> button.",
   "main": "dist/index.umd.js",
   "module": "dist/index.esm.js",
@@ -24,7 +24,8 @@
     "build": "npm run build-umd && npm run build-esm",
     "pretest": "npm run build",
     "test": "karma start test/karma.config.js",
-    "prepublishOnly": "npm run build"
+    "prepublishOnly": "npm run build",
+    "postpublish": "npm publish --ignore-scripts --@github:registry='https://npm.pkg.github.com'"
   },
   "devDependencies": {
     "@babel/cli": "^7.5.0",