diff --git a/ruby-em-websocket/PKGBUILD b/ruby-em-websocket/PKGBUILD
index d686ee2..3776e72 100644
--- a/ruby-em-websocket/PKGBUILD
+++ b/ruby-em-websocket/PKGBUILD
@@ -1,7 +1,7 @@
 _gemname=em-websocket
 pkgname=ruby-$_gemname
-pkgver=0.5.2
-pkgrel=3
+pkgver=0.5.3
+pkgrel=1
 pkgdesc="EventMachine based WebSocket server"
 arch=('any')
 url="https://github.com/igrigorik/em-websocket"
@@ -13,7 +13,8 @@ depends=(
 )
 options=('!emptydirs')
 source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
-b2sums=('91d41044e20f1f8277527205e3ee6671de2a1fb9b433c18d5b48a166c7cfa53c6553e32b726326f126981f0e014625075bc918b71e00bd8a6919670c370b6cab')
+sha512sums=('28d5cf042899319f50ff0d3b140d75fb281b7e0635118a63df243151c4f442dbabf7dbe15b26b44167d925ed00819b01eeeef110107e4058d8a534f84913b232')
+b2sums=('ce38ee1adc9cd49454d74d94130e9d759c631337da9401390fae68210f7b02692a0f23eb5970aa226ab3651e1924a117ac104a01481cc954ca77ab9c27b1e5ac')
 
 prepare() {
   cd "$_gemname-$pkgver"