diff --git a/Casks/paraview-lion-python27-nightly.rb b/Casks/paraview-lion-python27-nightly.rb
new file mode 100644
index 000000000..cf90bae23
--- /dev/null
+++ b/Casks/paraview-lion-python27-nightly.rb
@@ -0,0 +1,15 @@
+class ParaviewLionPython27Nightly < Cask
+  url 'http://www.paraview.org/paraview-downloads/download.php?submit=Download&version=nightly&type=binary&os=osx&downloadFile=ParaView-Darwin-64bit-Lion-Python27-NIGHTLY.dmg'
+  homepage 'http://www.paraview.org/'
+  version 'latest'
+  no_checksum
+  link 'paraview.app'
+
+  def caveats; <<-EOS.undent
+    This version of ParaView is for OS X Lion (10.7) or Mountain Lion (10.8)
+    and should be installed if the system Python version is 2.6. If your
+    OS version is Lion (10.7) or later, and your system Python version is
+    2.7 or later, you may install this cask or the paraview-nightly cask.
+    EOS
+  end
+end