diff --git a/.gitignore b/.gitignore
index 4e063d8..6f40c7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /python-api-core-2.2.1.tar.gz
 /python-api-core-2.2.2.tar.gz
 /python-api-core-2.3.0.tar.gz
+/python-api-core-2.3.1.tar.gz
diff --git a/python-google-api-core.spec b/python-google-api-core.spec
index 9c5b59f..efd8de1 100644
--- a/python-google-api-core.spec
+++ b/python-google-api-core.spec
@@ -2,7 +2,7 @@
 
 %global         srcname         google-api-core
 %global         forgeurl        https://github.com/googleapis/python-api-core
-Version:        2.3.0
+Version:        2.3.1
 %global         tag             v%{version}
 %forgemeta
 
diff --git a/sources b/sources
index 9337650..1995b27 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (python-api-core-2.3.0.tar.gz) = f85c9279822ab818aa9d183bc930e61be9cfb2e65ab6a46fcd8aaab2531b4258c6247b02fb8f4f29841d9ab13ca33e129198589cbc37b3c77677a72e72635285
+SHA512 (python-api-core-2.3.1.tar.gz) = ab1c333727e666f920d81186e6213d440052021d952efcb47eac487d10ab33a2e1116278925e54bfb3468de70c18837a0e241ba3426af09728ea59a725789a29
diff --git a/use-unittest-mock-builtin.patch b/use-unittest-mock-builtin.patch
index d4d0193..13a341b 100644
--- a/use-unittest-mock-builtin.patch
+++ b/use-unittest-mock-builtin.patch
@@ -1,9 +1,8 @@
-From f902494ee36f9d3ad883f445155b2170a987cac7 Mon Sep 17 00:00:00 2001
+From a569bb0e56b9f26855d6933a80efce991af2438a Mon Sep 17 00:00:00 2001
 From: Major Hayden <major@redhat.com>
-Date: Wed, 8 Dec 2021 14:24:21 -0600
+Date: Wed, 15 Dec 2021 13:30:32 -0600
 Subject: [PATCH] Use unittest.mock
 
-Signed-off-by: Major Hayden <major@redhat.com>
 ---
  tests/asyncio/future/test_async_future.py                   | 2 +-
  tests/asyncio/gapic/test_method_async.py                    | 2 +-
@@ -105,7 +104,7 @@ index 75f9e1c..c3f5d55 100644
  
  from google.api_core import page_iterator_async
 diff --git a/tests/asyncio/test_retry_async.py b/tests/asyncio/test_retry_async.py
-index 9e51044..27309cb 100644
+index 873caaf..1f57470 100644
 --- a/tests/asyncio/test_retry_async.py
 +++ b/tests/asyncio/test_retry_async.py
 @@ -15,7 +15,7 @@
@@ -248,7 +247,7 @@ index 2c5216e..a72f25f 100644
  
  from google.api_core import path_template
 diff --git a/tests/unit/test_retry.py b/tests/unit/test_retry.py
-index 199ca55..db985e5 100644
+index 74c5d77..b7462fb 100644
 --- a/tests/unit/test_retry.py
 +++ b/tests/unit/test_retry.py
 @@ -16,7 +16,7 @@ import datetime