diff --git a/ruby-parallel/PKGBUILD b/ruby-parallel/PKGBUILD
index b65d452..563efbe 100644
--- a/ruby-parallel/PKGBUILD
+++ b/ruby-parallel/PKGBUILD
@@ -4,25 +4,26 @@
 
 _gemname=parallel
 pkgname=ruby-$_gemname
-pkgver=1.20.1
-pkgrel=2
+pkgver=1.20.2
+pkgrel=1
 pkgdesc="Ruby: parallel processing made simple and fast"
 arch=('any')
 url="https://github.com/grosser/parallel"
 license=('MIT')
 depends=('ruby')
+makedepends=('ruby-rdoc')
 options=('!emptydirs')
 source=("https://rubygems.org/downloads/$_gemname-$pkgver.gem")
 noextract=("$_gemname-$pkgver.gem")
-b2sums=('79d859335509bd6c73b176441865da89655ba8b9928345d774154aa1fc160c0ba5fbf1394e1999892e9a762a0fb9848eab3491e642b15116be9b7f34e291400c')
+b2sums=('28fad0b8428159b4a6eec8af4dcca7785fec749698257ebaebdf564673518d5ebcc4d85c4b99521d4f76d104136c823fe66c61ec081915f7450cef5710f80163')
 
 package() {
   local _gemdir="$(ruby -e'puts Gem.default_dir')"
 
   gem install \
+    --verbose \
     --ignore-dependencies \
     --no-user-install \
-    --no-document \
     --install-dir "$pkgdir/$_gemdir" \
     --bindir "$pkgdir/usr/bin" \
     "$_gemname-$pkgver.gem"