diff --git a/python/mach/mach/config.py b/python/mach/mach/config.py
index 7210eca..edb4d2e 100644
--- a/python/mach/mach/config.py
+++ b/python/mach/mach/config.py
@@ -144,7 +144,7 @@ def reraise_attribute_error(func):
     return _
 
 
-class ConfigSettings(collections.Mapping):
+class ConfigSettings(collections.abc.Mapping):
     """Interface for configuration settings.
 
     This is the main interface to the configuration.
@@ -190,7 +190,7 @@ class ConfigSettings(collections.Mapping):
     will result in exceptions being raised.
     """
 
-    class ConfigSection(collections.MutableMapping, object):
+    class ConfigSection(collections.abc.MutableMapping, object):
         """Represents an individual config section."""
         def __init__(self, config, name, settings):
             object.__setattr__(self, '_config', config)
diff --git a/python/mach/mach/decorators.py b/python/mach/mach/decorators.py
index f69a75b..afc1797 100644
--- a/python/mach/mach/decorators.py
+++ b/python/mach/mach/decorators.py
@@ -5,7 +5,7 @@
 from __future__ import absolute_import, unicode_literals
 
 import argparse
-import collections
+import collections.abc
 import inspect
 import sys
 
@@ -159,7 +159,7 @@ def CommandProvider(cls):
               'Conditions argument must take a list ' + \
               'of functions. Found %s instead.'
 
-        if not isinstance(command.conditions, collections.Iterable):
+        if not isinstance(command.conditions, collections.abc.Iterable):
             msg = msg % (command.name, type(command.conditions))
             raise MachError(msg)
 
diff --git a/python/mach/mach/main.py b/python/mach/mach/main.py
index 95f492f..5b8d205 100644
--- a/python/mach/mach/main.py
+++ b/python/mach/mach/main.py
@@ -16,7 +16,7 @@ import os
 import sys
 import traceback
 import uuid
-from collections import Iterable
+from collections.abc import Iterable
 
 from mach.sentry import register_sentry, report_exception
 from six import string_types
diff --git a/python/mozbuild/mozbuild/backend/configenvironment.py b/python/mozbuild/mozbuild/backend/configenvironment.py
index 20d1a9f..898cabb 100644
--- a/python/mozbuild/mozbuild/backend/configenvironment.py
+++ b/python/mozbuild/mozbuild/backend/configenvironment.py
@@ -9,7 +9,8 @@ import six
 import sys
 import json
 
-from collections import Iterable, OrderedDict
+from collections.abc import Iterable
+from collections import OrderedDict
 from types import ModuleType
 
 import mozpack.path as mozpath
diff --git a/python/mozbuild/mozbuild/makeutil.py b/python/mozbuild/mozbuild/makeutil.py
index 4da1a3b..4ce5684 100644
--- a/python/mozbuild/mozbuild/makeutil.py
+++ b/python/mozbuild/mozbuild/makeutil.py
@@ -7,7 +7,7 @@ from __future__ import absolute_import, print_function, unicode_literals
 import os
 import re
 import six
-from collections import Iterable
+from collections.abc import Iterable
 
 
 class Makefile(object):
diff --git a/python/mozbuild/mozbuild/util.py b/python/mozbuild/mozbuild/util.py
index 044cf64..98ed3ef 100644
--- a/python/mozbuild/mozbuild/util.py
+++ b/python/mozbuild/mozbuild/util.py
@@ -782,7 +782,7 @@ class HierarchicalStringList(object):
         self._strings = StrictOrderingOnAppendList()
         self._children = {}
 
-    class StringListAdaptor(collections.Sequence):
+    class StringListAdaptor(collections.abc.Sequence):
         def __init__(self, hsl):
             self._hsl = hsl
 
diff --git a/testing/mozbase/manifestparser/manifestparser/filters.py b/testing/mozbase/manifestparser/manifestparser/filters.py
index 9b57b2f..9bcca5b 100644
--- a/testing/mozbase/manifestparser/manifestparser/filters.py
+++ b/testing/mozbase/manifestparser/manifestparser/filters.py
@@ -12,7 +12,8 @@ from __future__ import absolute_import
 
 import itertools
 import os
-from collections import defaultdict, MutableSequence
+from collections.abc import MutableSequence
+from collections import defaultdict
 
 import six
 from six import string_types
diff --git a/testing/mozbase/versioninfo.py b/testing/mozbase/versioninfo.py
index 91d1a04..8c16800 100755
--- a/testing/mozbase/versioninfo.py
+++ b/testing/mozbase/versioninfo.py
@@ -11,7 +11,7 @@ from commit messages.
 
 from __future__ import absolute_import, print_function
 
-from collections import Iterable
+from collections.abc import Iterable
 from distutils.version import StrictVersion
 import argparse
 import os
diff --git a/third_party/python/gyp/pylib/gyp/common.py b/third_party/python/gyp/pylib/gyp/common.py
index b268d22..4f9cb0e 100644
--- a/third_party/python/gyp/pylib/gyp/common.py
+++ b/third_party/python/gyp/pylib/gyp/common.py
@@ -494,7 +494,7 @@ def uniquer(seq, idfun=None):
 
 
 # Based on http://code.activestate.com/recipes/576694/.
-class OrderedSet(collections.MutableSet):
+class OrderedSet(collections.abc.MutableSet):
   def __init__(self, iterable=None):
     self.end = end = []
     end += [None, end, end]         # sentinel node for doubly linked list
diff --git a/third_party/python/gyp/pylib/gyp/msvs_emulation.py b/third_party/python/gyp/pylib/gyp/msvs_emulation.py
index 63d40e6..43fbbbb 100644
--- a/third_party/python/gyp/pylib/gyp/msvs_emulation.py
+++ b/third_party/python/gyp/pylib/gyp/msvs_emulation.py
@@ -91,7 +91,7 @@ def _AddPrefix(element, prefix):
   """Add |prefix| to |element| or each subelement if element is iterable."""
   if element is None:
     return element
-  if (isinstance(element, collections.Iterable) and
+  if (isinstance(element, collections.abc.Iterable) and
       not isinstance(element, basestring)):
     return [prefix + e for e in element]
   else:
@@ -104,7 +104,7 @@ def _DoRemapping(element, map):
   if map is not None and element is not None:
     if not callable(map):
       map = map.get # Assume it's a dict, otherwise a callable to do the remap.
-    if (isinstance(element, collections.Iterable) and
+    if (isinstance(element, collections.abc.Iterable) and
         not isinstance(element, basestring)):
       element = filter(None, [map(elem) for elem in element])
     else:
@@ -117,7 +117,7 @@ def _AppendOrReturn(append, element):
   then add |element| to it, adding each item in |element| if it's a list or
   tuple."""
   if append is not None and element is not None:
-    if (isinstance(element, collections.Iterable) and
+    if (isinstance(element, collections.abc.Iterable) and
         not isinstance(element, basestring)):
       append.extend(element)
     else:
diff --git a/third_party/python/virtualenv/virtualenv.py b/third_party/python/virtualenv/virtualenv.py
index 9eaedaf..3ef431c 100755
--- a/third_party/python/virtualenv/virtualenv.py
+++ b/third_party/python/virtualenv/virtualenv.py
@@ -1804,7 +1804,7 @@ def fix_local_scheme(home_dir, symlink=True):
         pass
     else:
         # noinspection PyProtectedMember
-        if sysconfig._get_default_scheme() == "posix_local":
+        if sysconfig.get_default_scheme() == "posix_local":
             local_path = os.path.join(home_dir, "local")
             if not os.path.exists(local_path):
                 os.mkdir(local_path)
diff --git a/third_party/python/voluptuous/voluptuous/schema_builder.py b/third_party/python/voluptuous/voluptuous/schema_builder.py
index 8d7a81a..92b60ac 100644
--- a/third_party/python/voluptuous/voluptuous/schema_builder.py
+++ b/third_party/python/voluptuous/voluptuous/schema_builder.py
@@ -1,4 +1,4 @@
-import collections
+import collections.abc
 import inspect
 import re
 from functools import wraps
@@ -280,7 +280,7 @@ class Schema(object):
             return schema.__voluptuous_compile__(self)
         if isinstance(schema, Object):
             return self._compile_object(schema)
-        if isinstance(schema, collections.Mapping):
+        if isinstance(schema, collections.abc.Mapping):
             return self._compile_dict(schema)
         elif isinstance(schema, list):
             return self._compile_list(schema)