--- a/testing/tps/setup.py
+++ b/testing/tps/setup.py
@@ -2,19 +2,19 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import sys
 from setuptools import setup, find_packages
 
 version = '0.3'
 
-deps = ['mozinfo == 0.3.3', 'mozprofile == 0.4',
-        'mozprocess == 0.4', 'mozrunner == 5.8', 'mozregression == 0.6.3',
-        'mozautolog == 0.2.4', 'mozautoeslib == 0.1.1']
+deps = ['mozinfo >= 0.3.3', 'mozprofile >= 0.4',
+        'mozprocess >= 0.4', 'mozrunner >= 5.8', 'mozinstall >= 1.4',
+        'mozautolog >= 0.2.4', 'mozautoeslib >= 0.1.1', 'httplib2 >= 0.7.3']
 
 # we only support python 2.6+ right now
 assert sys.version_info[0] == 2
 assert sys.version_info[1] >= 6
 
 setup(name='tps',
       version=version,
       description='run automated multi-profile sync tests',

--- a/testing/tps/tps/firefoxrunner.py
+++ b/testing/tps/tps/firefoxrunner.py
@@ -1,21 +1,22 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import copy
+import httplib2
 import os
 import shutil
 import sys
 
+import mozinstall
+
 from mozprocess.pid import get_pids
 from mozprofile import Profile
-from mozregression.mozInstall import MozInstaller
-from mozregression.utils import download_url, get_platform
 from mozrunner import FirefoxRunner
 
 class TPSFirefoxRunner(object):
 
   PROCESS_TIMEOUT = 240
 
   def __init__(self, binary):
     if binary is not None and ('http://' in binary or 'ftp://' in binary):
@@ -26,51 +27,49 @@ class TPSFirefoxRunner(object):
       self.binary = binary
     self.runner = None
     self.installdir = None
 
   def __del__(self):
     if self.installdir:
       shutil.rmtree(self.installdir, True)
 
-  def download_build(self, installdir='downloadedbuild',
-                     appname='firefox', macAppName='Minefield.app'):
+  def download_url(self, url, dest=None):
+    h = httplib2.Http()
+    resp, content = h.request(url, "GET")
+    if dest == None:
+        dest = os.path.basename(url)
+
+    local = open(dest, 'wb')
+    local.write(content)
+    local.close()
+    return dest
+
+  def download_build(self, installdir='downloadedbuild', appname='firefox'):
     self.installdir = os.path.abspath(installdir)
     buildName = os.path.basename(self.url)
     pathToBuild = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                buildName)
 
     # delete the build if it already exists
     if os.access(pathToBuild, os.F_OK):
       os.remove(pathToBuild)
 
     # download the build
     print "downloading build"
-    download_url(self.url, pathToBuild)
+    self.download_url(self.url, pathToBuild)
 
     # install the build
     print "installing %s" % pathToBuild
     shutil.rmtree(self.installdir, True)
-    MozInstaller(src=pathToBuild, dest=self.installdir, dest_app=macAppName)
+    binary = mozinstall.install(src=pathToBuild, dest=self.installdir)
 
     # remove the downloaded archive
     os.remove(pathToBuild)
 
-    # calculate path to binary
-    platform = get_platform()
-    if platform['name'] == 'Mac':
-      binary = '%s/%s/Contents/MacOS/%s-bin' % (installdir,
-                                                macAppName,
-                                                appname)
-    else:
-      binary = '%s/%s/%s%s' % (installdir,
-                               appname,
-                               appname,
-                               '.exe' if platform['name'] == 'Windows' else '')
-
     return binary
 
   def run(self, profile=None, timeout=PROCESS_TIMEOUT, env=None, args=None):
     """Runs the given FirefoxRunner with the given Profile, waits
        for completion, then returns the process exit code
     """
     if profile is None:
       profile = Profile()