diff --git a/package-lock.json b/package-lock.json
index d35975a..96a8dd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@cwmr/iron-star-rating",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index e8e3720..9802cbc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "description": "5-star rating element (Polymer 3.x)",
   "name": "@cwmr/iron-star-rating",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "repository": "github:chadweimer/iron-star-rating",
   "homepage": "https://github.com/chadweimer/iron-star-rating#readme",
   "license": "MIT",
@@ -12,10 +12,12 @@
     "type-detect": "1.0.0"
   },
   "main": "iron-star-rating.js",
+  "types": "iron-star-rating.d.ts",
   "scripts": {
     "generate-types": "gen-typescript-declarations --deleteExisting --outDir . --verify",
     "lint": "polymer lint",
-    "test": "polymer test"
+    "test": "polymer test",
+    "prepare": "npm run generate-types"
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",