diff --git a/Formula/deis.rb b/Formula/deis.rb
index b783660122426..ef9181298a1e9 100644
--- a/Formula/deis.rb
+++ b/Formula/deis.rb
@@ -1,13 +1,10 @@
 class Deis < Formula
   homepage "http://deis.io"
-  url "https://github.com/deis/deis/archive/v1.4.1.tar.gz"
-  sha1 "4f28c042ae634d92c728b81ea3fed03111b83eb6"
+  url "https://github.com/deis/deis/archive/v1.5.1.tar.gz"
+  sha1 "3a4b0caa0720785a6c093d15a62f2bcbb76324a4"
 
   bottle do
     cellar :any
-    sha256 "b969023be679d70a61afc7e488eb561a46252d9e062f81e2a44d84885878594f" => :yosemite
-    sha256 "ec437a6a0be6b00486c3293ee863eebd61a02dafcd9469626a47ef5ba7c54712" => :mavericks
-    sha256 "bf448a2340499442641b2df4f5217a0a52fe0ee4e07c29c221828c2d11c3c223" => :mountain_lion
   end
 
   depends_on :python if MacOS.version <= :snow_leopard
@@ -19,8 +16,8 @@ class Deis < Formula
   end
 
   resource "python-dateutil" do
-    url "https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-2.4.0.tar.gz"
-    sha1 "159081a4c5b3602ab440a7db305f987c00ee8c6d"
+    url "https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-2.4.1.post1.tar.gz"
+    sha1 "55c712dac45ad14532d9bc05b64ba7e4bf6b56c6"
   end
 
   resource "PyYAML" do
@@ -43,6 +40,11 @@ class Deis < Formula
     sha1 "d168e6d01f0900875c6ecebc97da72d0fda31129"
   end
 
+  resource "tabulate" do
+    url "https://pypi.python.org/packages/source/t/tabulate/tabulate-0.7.4.tar.gz"
+    sha1 "8aa77884fc87932855f1a7eb7d741cc60e72281d"
+  end
+
   def install
     ENV.prepend_create_path "PYTHONPATH", libexec/"vendor/lib/python2.7/site-packages"