diff --git a/package-lock.json b/package-lock.json
index 1bee503..1b3aed3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@github/task-lists-element",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7998c18..a4087c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@github/task-lists-element",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Drag and drop task list items.",
   "repository": "github/task-lists-element",
   "main": "dist/index.umd.js",