diff --git a/.github/workflows/nodejs-ci-action.yml b/.github/workflows/nodejs-ci-action.yml
index f1afea80..3471f553 100644
--- a/.github/workflows/nodejs-ci-action.yml
+++ b/.github/workflows/nodejs-ci-action.yml
@@ -2,9 +2,9 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -40,4 +40,4 @@ jobs:
       uses: coverallsapp/github-action@master
       with:
         github-token: ${{ secrets.github_token }}
-        parallel-finished: true
\ No newline at end of file
+        parallel-finished: true
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 5509562e..af6bfdec 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -1,7 +1,7 @@
 on:
    push:
      branches:
-       - master
+       - main
 name: release-please
 jobs:
   release-please:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a9cac4af..7fc12e67 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -60,7 +60,7 @@ Use `git rebase` to sync your work from time to time.
 
 ```
 git fetch upstream
-git rebase upstream/master
+git rebase upstream/main
 ```
 
 ### Development cycle
@@ -93,7 +93,7 @@ These are mostly notes for myself.
 
   * Be sure you are starting from a clean slate: `npm run clean && npm install`
   * Run standard-version: `npm run release` - this will run the `ci` task
-  * Push to GitHub: `git push --follow-tags origin master`
+  * Push to GitHub: `git push --follow-tags origin main`
   * Publish to npmjs.com: `npm publish`
   * Assuming all goes well, head over to https://github.com/nodeshift/opossum/releases
     and update the release with any relevant notes. The generated CHANGELOG.md file should
diff --git a/docs/assets/anchor.js b/docs/assets/anchor.js
index f74c2de7..bd6ff3f5 100644
--- a/docs/assets/anchor.js
+++ b/docs/assets/anchor.js
@@ -5,7 +5,7 @@
  */
 /* eslint-env amd, node */
 
-// https://github.com/umdjs/umd/blob/master/templates/returnExports.js
+// https://github.com/umdjs/umd/blob/HEAD/templates/returnExports.js
 (function(root, factory) {
   'use strict';
   if (typeof define === 'function' && define.amd) {