diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index a7c5da76..4817e0d5 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -44,7 +44,7 @@ After `composer install`, you can do:
 
 ## Branches
 
-Ongoing development will be done in feature branches then pulled against the `develop` branch and follows a typical _git-flow_ approach, where merges to `master` only happen when a new release is made.
+Ongoing development will be done in feature branches then pulled against the `develop` branch and follows a typical _git-flow_ approach, where merges to `main` only happen when a new release is made.
 
 To contribute an improvement to this project, fork the repo and open a pull request to the relevant branch. Alternatively, if you have push access to this repo, create a feature branch prefixed by `fix/` (followed by the issue number) or `add/` and then open a PR from that branch to the default (`develop`) branch.
 
@@ -199,9 +199,9 @@ When adding or changing a sniff, the ruleset test files should be updated to mat
 
 - In a `changelog/x.y.z` branch off of `develop`, update the `CHANGELOG.md` with a list of all of the changes following the keepachangelog.com format. Include PR references and GitHub username props.
 - Create a PR of `develop` <-- `changelog/x.y.z`, but do not merge until ready to release.
-- Create a PR of `master` <-- `develop`, and copy-paste the [`release-template.md`](https://github.com/Automattic/VIP-Coding-Standards/blob/develop/.github/ISSUE_TEMPLATE/release-template.md) contents.
-- When ready to release, merge the change log PR into `develop`, then merge the `develop` into `master` PR.
-- Tag the commit in `master` with the appropriate version number. Ideally, have it signed.
+- Create a PR of `main` <-- `develop`, and copy-paste the [`release-template.md`](https://github.com/Automattic/VIP-Coding-Standards/blob/develop/.github/ISSUE_TEMPLATE/release-template.md) contents.
+- When ready to release, merge the change log PR into `develop`, then merge the `develop` into `main` PR.
+- Tag the commit in `main` with the appropriate version number. Ideally, have it signed.
 - Close the current milestone.
 - Open a new milestone for the next release.
 - If any open PRs/issues which were milestoned for this release do not make it into the release, update their milestone.
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index c089b1d2..5bfbcec3 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -53,7 +53,7 @@ Use `php -v` and `composer show` to get versions.
 
 <!-- Add any other context about the problem here. -->
 
-## Tested Against `master` branch?
+## Tested Against `main` branch?
 
-- [ ] I have verified the issue still exists in the `master` branch of VIPCS.
+- [ ] I have verified the issue still exists in the `main` branch of VIPCS.
 - [ ] I have verified the issue still exists in the `develop` branch of VIPCS.
diff --git a/.github/ISSUE_TEMPLATE/release-template.md b/.github/ISSUE_TEMPLATE/release-template.md
index 026b6704..9ce956a0 100644
--- a/.github/ISSUE_TEMPLATE/release-template.md
+++ b/.github/ISSUE_TEMPLATE/release-template.md
@@ -13,11 +13,11 @@ assignees: GaryJones, rebeccahum
 
 PR for tracking changes for the X.Y.Z release. Target release date: DOW DD MMMM YYYY.
 
-- [ ] Scan WordPress (or just wp-admin folder) with prior version and compare results against new release for potential new bugs. 
+- [ ] Scan WordPress (or just wp-admin folder) with prior version and compare results against new release for potential new bugs.
 - [ ] Add change log for this release: PR #XXX
 - [ ] Double-check whether any dependencies need bumping.
 - [ ] Merge this PR.
-- [ ] Add signed release tag against `master`.
+- [ ] Add signed release tag against `main`.
 - [ ] Close the current milestone.
 - [ ] Open a new milestone for the next release.
 - [ ] If any open PRs/issues which were milestoned for this release do not make it into the release, update their milestone.
diff --git a/.github/workflows/quicktest.yml b/.github/workflows/quicktest.yml
index 6e692984..becaac4c 100644
--- a/.github/workflows/quicktest.yml
+++ b/.github/workflows/quicktest.yml
@@ -1,10 +1,10 @@
 name: Quicktest
 
 on:
-  # Run on pushes, including merges, to all branches except `master`.
+  # Run on pushes, including merges, to all branches except `main`.
   push:
     branches-ignore:
-      - master
+      - main
     paths-ignore:
       - '**.md'
   # Allow manually triggering the workflow.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 11c8127b..cc5ed0a6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,11 +1,11 @@
 name: Test
 
 on:
-  # Run on pushes to `master` and on all pull requests.
+  # Run on pushes to `main` and on all pull requests.
   # Prevent the "push" build from running when there are only irrelevant changes.
   push:
     branches:
-      - master
+      - main
     paths-ignore:
       - '**.md'
   pull_request: