diff --git a/Formula/xonsh.rb b/Formula/xonsh.rb
index a1fb183de3..717a7c5796 100644
--- a/Formula/xonsh.rb
+++ b/Formula/xonsh.rb
@@ -3,10 +3,9 @@ class Xonsh < Formula
 
   desc "Python-ish, BASHwards-compatible shell language and command prompt"
   homepage "http://xon.sh"
-  url "https://github.com/xonsh/xonsh/archive/0.4.7.tar.gz"
-  sha256 "10732db7a635b94454232f389f1960a27736e63bb3ce7daf6dc59fda7d5f5abb"
+  url "https://github.com/xonsh/xonsh/archive/0.5.0.tar.gz"
+  sha256 "171ce4824bc0109e2b1366cdc0bafa68d74285f4fa157d5f0c62a37d2a4d3972"
   head "https://github.com/scopatz/xonsh.git"
-  revision 1
 
   bottle do
     sha256 "a34d75dadf69aecf089f0cd7da0d512e720dea21852b2b4897b9a22d5d07dcb6" => :sierra
@@ -17,12 +16,11 @@ class Xonsh < Formula
   depends_on :python3
 
   resource "ply" do
-    url "https://pypi.python.org/packages/96/e0/430fcdb6b3ef1ae534d231397bee7e9304be14a47a267e82ebcb3323d0b5/ply-3.8.tar.gz"
-    sha256 "e7d1bdff026beb159c9942f7a17e102c375638d9478a7ecd4cc0c76afd8de0b8"
+    url "https://files.pythonhosted.org/packages/a8/4d/487e12d0478ee0cbb15d6fe9b8916e98fe4e2fce4cc65e4de309209c0b24/ply-3.9.tar.gz"
+    sha256 "0d7e2940b9c57151392fceaa62b0865c45e06ce1e36687fd8d03f011a907f43e"
   end
 
   def install
-    virtualenv_create(libexec, "python3")
     virtualenv_install_with_resources
   end