diff --git a/rollup/PKGBUILD b/rollup/PKGBUILD
index d498601..b5256c7 100644
--- a/rollup/PKGBUILD
+++ b/rollup/PKGBUILD
@@ -2,7 +2,7 @@
 # Contributor: George Rawlinson <george@rawlinson.net.nz>
 
 pkgname=rollup
-pkgver=2.39.1
+pkgver=2.56.2
 pkgrel=1
 pkgdesc="Next-generation ES6 module bundler"
 arch=(any)
@@ -10,22 +10,28 @@ url="https://rollupjs.org/"
 license=('MIT' 'ISC')
 depends=('nodejs')
 makedepends=('npm' 'jq')
-source=("https://registry.npmjs.org/$pkgname/-/$pkgname-$pkgver.tgz")
-noextract=("$pkgname-$pkgver.tgz")
-b2sums=('373d17524836f0c1df65f7e5e7555f69835ff7a7875a5a73794639c3d99a2e54e9199cc1cf519fd90d7df4688163841eef7d8300e2468d5e2d50955085750b85')
+source=("$pkgname-$pkgver.tar.gz::https://registry.npmjs.org/$pkgname/-/$pkgname-$pkgver.tgz")
+noextract=("$pkgname-$pkgver.tar.gz")
+b2sums=('4ac03727dc2028a793b5bc83bf9f40b3c85d29383dcdf15de69645407946f2823edd83fca8fca7db927cc65546a1cb0716bd05c704f99a7a88ddf708956d65b3')
 
 package() {
-  # install package
-  npm install -g \
-    --user root \
+  local NPM_FLAGS=(--no-audit --no-fund --no-update-notifier)
+
+  npm install \
+    --global \
     --prefix "$pkgdir/usr" \
     --cache "$srcdir/npm-cache" \
-    "$srcdir/$pkgname-$pkgver.tgz"
+    "${NPM_FLAGS[@]}" \
+    "$pkgname-$pkgver.tar.gz"
 
   # install licenses
   install -Dm644 -t "$pkgdir/usr/share/licenses/$pkgname" \
     "$pkgdir/usr/lib/node_modules/rollup/LICENSE.md"
 
+  # install documentation
+  install -vDm644 -t "$pkgdir/usr/share/doc/$pkgname" \
+    "$pkgdir/usr/lib/node_modules/rollup/"{CHANGELOG,README}.md
+
   # remove references to ${src,pkg}dir
   local tmppackage="$(mktemp)"
   local pkgjson="$pkgdir/usr/lib/node_modules/$pkgname/package.json"