diff --git a/pytz-zoneinfo.patch b/pytz-zoneinfo.patch
index 5c0d789..908b0f4 100644
--- a/pytz-zoneinfo.patch
+++ b/pytz-zoneinfo.patch
@@ -1,7 +1,7 @@
 --- a/pytz/__init__.py
 +++ b/pytz/__init__.py
-@@ -13,7 +13,7 @@ OLSON_VERSION = '2016d'
- VERSION = '2016.4'  # Switching to pip compatible version numbering.
+@@ -13,7 +13,7 @@ OLSON_VERSION = '2016f'
+ VERSION = '2016.6.1'  # Switching to pip compatible version numbering.
  __version__ = VERSION
  
 -OLSEN_VERSION = OLSON_VERSION # Old releases had this misspelling
@@ -9,36 +9,36 @@
  
  __all__ = [
      'timezone', 'utc', 'country_timezones', 'country_names',
-@@ -75,24 +75,19 @@ else: # Python 2.x
-         """
-         return s.encode('US-ASCII')
- 
-+_tzinfo_dir = os.getenv("TZDIR") or "/usr/share/zoneinfo"
-+if _tzinfo_dir.endswith(os.sep):
-+    _tzinfo_dir = _tzinfo_dir[:-1]
- 
- def open_resource(name):
-     """Open a resource from the zoneinfo subdir for reading.
- 
--    Uses the pkg_resources module if available and no standard file
--    found at the calculated location.
+@@ -77,23 +77,16 @@ def open_resource(name):
+     Uses the pkg_resources module if available and no standard file
+     found at the calculated location.
      """
++    _tzinfo_dir = os.getenv("TZDIR") or "/usr/share/zoneinfo"
++    if _tzinfo_dir.endswith(os.sep):
++        _tzinfo_dir = _tzinfo_dir[:-1]
++
      name_parts = name.lstrip('/').split('/')
      for part in name_parts:
          if part == os.path.pardir or os.path.sep in part:
              raise ValueError('Bad path segment: %r' % part)
 -    filename = os.path.join(os.path.dirname(__file__),
 -                            'zoneinfo', *name_parts)
--    if not os.path.exists(filename) and resource_stream is not None:
+-    if not os.path.exists(filename):
 -        # http://bugs.launchpad.net/bugs/383171 - we avoid using this
 -        # unless absolutely necessary to help when a broken version of
 -        # pkg_resources is installed.
--        return resource_stream(__name__, 'zoneinfo/' + name)
+-        try:
+-            from pkg_resources import resource_stream
+-        except ImportError:
+-            resource_stream = None
+ 
+-        if resource_stream is not None:
+-            return resource_stream(__name__, 'zoneinfo/' + name)
 +    filename = os.path.join(_tzinfo_dir, *name_parts)
      return open(filename, 'rb')
  
  
-@@ -487,1037 +482,38 @@ def _test():
+@@ -490,1037 +483,38 @@ def _test():
  if __name__ == '__main__':
      _test()