diff --git a/icecat-porting_to_python310.patch b/icecat-porting_to_python310.patch
index 279fb72..920ca96 100644
--- a/icecat-porting_to_python310.patch
+++ b/icecat-porting_to_python310.patch
@@ -326,6 +326,20 @@ diff --git a/testing/mozbase/manifestparser/manifestparser/filters.py b/testing/
  import io
  import os
  import platform
+--- a/third_party/python/requests/requests/structures.orig.py	2021-08-02 21:40:27.000000000 +0200
++++ b/third_party/python/requests/requests/structures.py	2021-08-04 08:03:34.858332348 +0200
+@@ -9,9 +9,10 @@
+ """
+ 
+ import collections
++import collections.abc
+ 
+ 
+-class CaseInsensitiveDict(collections.MutableMapping):
++class CaseInsensitiveDict(collections.abc.MutableMapping):
+     """
+     A case-insensitive ``dict``-like object.
+ 
 diff -up a/third_party/python/voluptuous/voluptuous-0.11.5.dist-info/RECORD.build-python-2 b/third_party/python/voluptuous/voluptuous-0.11.5.dist-info/RECORD
 diff -up a/third_party/python/voluptuous/voluptuous-0.12.1.dist-info/COPYING.build-python-2 b/third_party/python/voluptuous/voluptuous-0.12.1.dist-info/COPYING
 --- a/third_party/python/voluptuous/voluptuous-0.12.1.dist-info/COPYING.build-python-2	2021-07-21 09:42:47.774128166 +0200