diff --git a/packages/google-cloud-access-context-manager/.github/.OwlBot.lock.yaml b/packages/google-cloud-access-context-manager/.github/.OwlBot.lock.yaml
index 108063d4dee4..7519fa3a2289 100644
--- a/packages/google-cloud-access-context-manager/.github/.OwlBot.lock.yaml
+++ b/packages/google-cloud-access-context-manager/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:4ee57a76a176ede9087c14330c625a71553cf9c72828b2c0ca12f5338171ba60
+  digest: sha256:0e18b9475fbeb12d9ad4302283171edebb6baf2dfca1bd215ee3b34ed79d95d7
diff --git a/packages/google-cloud-access-context-manager/.github/CODEOWNERS b/packages/google-cloud-access-context-manager/.github/CODEOWNERS
index 30c3973aa372..44cc8685b30f 100644
--- a/packages/google-cloud-access-context-manager/.github/CODEOWNERS
+++ b/packages/google-cloud-access-context-manager/.github/CODEOWNERS
@@ -3,9 +3,10 @@
 #
 # For syntax help see:
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
+# Note: This file is autogenerated. To make changes to the codeowner team, please update .repo-metadata.json.
 
-# The @googleapis/yoshi-python is the default owner for changes in this repo
-*               @googleapis/yoshi-python
+# @googleapis/yoshi-python is the default owner for changes in this repo
+*     @googleapis/yoshi-python
 
-# The python-samples-reviewers team is the default owner for samples changes
-/samples/  @googleapis/python-samples-owners
\ No newline at end of file
+# @googleapis/python-samples-owners is the default owner for samples changes
+/samples/   @googleapis/python-samples-owners
diff --git a/packages/google-cloud-access-context-manager/setup.py b/packages/google-cloud-access-context-manager/setup.py
index 50d5e26db3cf..58b7ac7636b2 100644
--- a/packages/google-cloud-access-context-manager/setup.py
+++ b/packages/google-cloud-access-context-manager/setup.py
@@ -27,7 +27,7 @@
 # 'Development Status :: 4 - Beta'
 # 'Development Status :: 5 - Production/Stable'
 release_status = "Development Status :: 4 - Beta"
-dependencies = ["google-api-core[grpc]>=1.26.0, <3.0dev", "protobuf >= 3.12.0"]
+dependencies = ["google-api-core[grpc]>=1.28.0, <3.0dev", "protobuf >= 3.12.0"]
 
 # Setup boilerplate below this line.
 
diff --git a/packages/google-cloud-access-context-manager/testing/constraints-3.6.txt b/packages/google-cloud-access-context-manager/testing/constraints-3.6.txt
index 37118f4283d3..a59bf7127978 100644
--- a/packages/google-cloud-access-context-manager/testing/constraints-3.6.txt
+++ b/packages/google-cloud-access-context-manager/testing/constraints-3.6.txt
@@ -6,4 +6,4 @@
 # e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
 # Then this file should have foo==1.14.0
 protobuf==3.12.0
-google-api-core==1.26.0
+google-api-core==1.28.0