diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..5f12cbf
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/README.md b/README.md
index e1792f6..a52306c 100644
--- a/README.md
+++ b/README.md
@@ -33,3 +33,7 @@ conducted at the 2025 Cambridge Node.js Collaborators' Summit.
 ## Contributing
 
 See [CONTRIBUTING.md](CONTRIBUTING.md).
+
+## License
+
+This repository is licensed under the [MIT License](LICENSE).
diff --git a/package-lock.json b/package-lock.json
index 777d0a6..74500c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,7 @@
   "requires": true,
   "packages": {
     "": {
+      "license": "MIT",
       "dependencies": {
         "@node-core/ui-components": "^1.7.6",
         "@vercel/analytics": "^2.0.1",
diff --git a/package.json b/package.json
index 6711acd..0c8faa2 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,5 @@
 {
+  "license": "MIT",
   "scripts": {
     "build": "doc-kit generate --config-file doc-kit.config.mjs",
     "lint": "eslint .",