diff --git a/contrib/make_packages b/contrib/make_packages
index 999ca8d75..54947c501 100755
--- a/contrib/make_packages
+++ b/contrib/make_packages
@@ -3,6 +3,16 @@
 import sys, re, shutil, os, hashlib
 import imp
 import getpass
+import subprocess
+
+def recurse_into(target, ext, func):
+    # traverse root directory, and list directories as dirs and files as files
+    for root, dirs, files in os.walk(target):
+        for dfile in files:
+            if dfile.endswith(ext):
+                print('Running {} on file: {}'.format(func, dfile))
+                func(os.path.join(root, dfile))
+ 
 
 if __name__ == '__main__':
 
@@ -12,34 +22,26 @@ if __name__ == '__main__':
     version = v.ELECTRUM_VERSION
     print "version", version
 
-    # copy dependencies into 'packages' directory
-    deps = [
-        'aes',
-        'ecdsa',
+    # install dependencies into 'packages' directory
+    deps = ['slowaes>=0.1a1',
+        'ecdsa>=0.9',
         'pbkdf2',
-        'requests', # note: requests-2.5.1 is needed to build with pyinstaller
+        'requests',
         'qrcode',
-        'google/protobuf',
-        'dns',
-        'six',
-    ]
-    # don't use /usr/lib
-    sys.path = ['/usr/local/lib/python2.7/dist-packages']
+        'protobuf',
+        'dnspython',
+        'six']
+
+    popen = subprocess.Popen
+    target = os.path.join(d, 'packages')
     for module in deps:
-        f, pathname, descr = imp.find_module(module)
-        target = 'packages/' + module + descr[0]
-        if os.path.exists(target):
-            continue
-        d = os.path.dirname(target)
-        if d and not (os.path.exists(d)):
-            os.makedirs(d)
-        if descr[0]:
-            shutil.copy(pathname, target)
-        else:
-            shutil.copytree(pathname, target, ignore=shutil.ignore_patterns('*.pyc'))
+        subprocess.call('pip install {} -t {}'.format(module, target), shell=True)
+
+    # recurse into dir and run func on extensions
+    recurse_into(target, '.pyc', os.unlink)
 
     # fix google/__init__.py needed by pyinstaller
-    n = 'packages/google/__init__.py'
+    n = d + '/packages/google/__init__.py'
     if not os.path.exists(n):
         os.system("echo \# do not remove>%s"%n)
 
diff --git a/gui/kivy/tools/buildozer.spec b/gui/kivy/tools/buildozer.spec
index fe869c718..e50b13a73 100644
--- a/gui/kivy/tools/buildozer.spec
+++ b/gui/kivy/tools/buildozer.spec
@@ -90,7 +90,7 @@ android.add_jars = lib/android/zbar.jar
 
 # (str) python-for-android branch to use, if not master, useful to try
 # not yet merged features.
-# android.branch = master
+#android.branch = master
 
 # (str) OUYA Console category. Should be one of GAME or APP
 # If you leave this blank, OUYA support will not be enabled