diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7e9f3b8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+node_modules
+dist
+*.swp
+package-lock.json
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..c0ed9af
--- /dev/null
+++ b/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "geo-albers-usa-territories",
+  "version": "0.0.1",
+  "description": "A map projection including all US overseas territories.",
+  "main": "dist/geo-albers-usa-territories.js",
+  "scripts": {
+    "prepublish": "rollup --config"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/stamen/us-albers-territories.git"
+  },
+  "keywords": [
+    "Map",
+    "Geo",
+    "GIS",
+    "D3"
+  ],
+  "author": "Alan McConchie",
+  "contributors": [
+    "Curran Kelleher"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/stamen/geo-albers-usa-territories/issues"
+  },
+  "homepage": "https://github.com/stamen/geo-albers-usa-territories#readme",
+  "devDependencies": {
+    "rollup": "^2.18.1"
+  }
+}
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 0000000..20b66ab
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,12 @@
+export default {
+  input: 'src/index.js',
+  external: ['d3-geo'],
+  output: {
+    file: 'dist/us-albers-territories.js',
+    format: 'umd',
+    name: 'geoAlbersUsaTerritories',
+    globals: {
+      'd3-geo': 'd3'
+    }
+  }
+};
diff --git a/geoAlbersUsaTerritories.js b/src/index.js
similarity index 100%
rename from geoAlbersUsaTerritories.js
rename to src/index.js