diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 282726443c..cdc3a9f132 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -9,7 +9,7 @@ on:
       - 'src/**.js'
   push:
     branches:
-      - master
+      - main
       - restructure
     paths:
       - 'src/**.js'
@@ -41,12 +41,12 @@ jobs:
           artifact: npm-package
           workflow: ci.yml
           required: false
-      - run: mv preact.tgz preact-master.tgz
+      - run: mv preact.tgz preact-main.tgz
       - name: Upload base preact package
         uses: actions/upload-artifact@v3
         with:
           name: bench-environment
-          path: preact-master.tgz
+          path: preact-main.tgz
 
   bench_todo:
     name: Bench todo
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4e4a9b3d0..6790d7c4bd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
       - '**'
   push:
     branches:
-      - master
+      - main
       - restructure
 
 jobs:
diff --git a/.github/workflows/pr-reporter.yml b/.github/workflows/pr-reporter.yml
index b5e2f1ba90..18c1311b60 100644
--- a/.github/workflows/pr-reporter.yml
+++ b/.github/workflows/pr-reporter.yml
@@ -46,6 +46,6 @@ jobs:
         uses: andrewiggins/tachometer-reporter-action@v2
         with:
           path: results/*.json
-          base-bench-name: preact-master
+          base-bench-name: preact-main
           pr-bench-name: preact-local
           summarize: 'duration, usedJSHeapSize'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cba03a0498..5bab739ed1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,7 +4,7 @@ on: create
 jobs:
   build:
     if: github.ref_type == 'tag'
-    uses: preactjs/preact/.github/workflows/ci.yml@master
+    uses: preactjs/preact/.github/workflows/ci.yml@main
 
   release:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/saucelabs.yml b/.github/workflows/saucelabs.yml
index 049a006b05..ec92294d94 100644
--- a/.github/workflows/saucelabs.yml
+++ b/.github/workflows/saucelabs.yml
@@ -3,7 +3,7 @@ name: Saucelabs
 on:
   push:
     branches:
-      - master
+      - main
       - restructure
 
 jobs:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 54fefe4f6c..851550025c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -74,7 +74,7 @@ Unique to Preact we do support several ways to hook into our renderer. All our a
 
 ## Important Branches
 
-We merge every PR into the `master` branch which is the one that we'll use to publish code to npm. For the previous Preact release line we have a branch called `8` which is in maintenance mode. As a new contributor you won't have to deal with that ;)
+We merge every PR into the `main` branch which is the one that we'll use to publish code to npm. For the previous Preact release line we have a branch called `8` which is in maintenance mode. As a new contributor you won't have to deal with that ;)
 
 ## Creating your first Pull-Request
 
@@ -82,7 +82,7 @@ We try to make it as easy as possible to contribute to Preact and make heavy use
 
 Once a PR or a Draft PR has been created our community typically joins the discussion about the proposed change. Sometimes that includes ideas for test cases or even different ways to go about implementing a feature. Often this also includes ideas on how to make the code smaller. We usually refer to the latter as "code-golfing" or just "golfing".
 
-When everything is good to go someone will approve the PR and the changes will be merged into the `master` branch and we usually cut a release a few days/ a week later.
+When everything is good to go someone will approve the PR and the changes will be merged into the `main` branch and we usually cut a release a few days/ a week later.
 
 _The big takeaway for you here is, that we will guide you along the way. We're here to help to make a PR ready for approval!_
 
@@ -90,7 +90,7 @@ The short summary is:
 
 1. Make changes and submit a PR
 2. Modify change according to feedback (if there is any)
-3. PR will be merged into `master`
+3. PR will be merged into `main`
 4. A new release will be cut (every 2-3 weeks).
 
 ## Commonly used scripts for contributions
@@ -172,7 +172,7 @@ rights to publish new releases on npm.
 
 1. Make a PR where **only** the version number is incremented in `package.json` and everywhere else. A simple search and replace works. (note: We follow `SemVer` conventions)
 2. Wait until the PR is approved and merged.
-3. Switch back to the `master` branch and pull the merged PR
+3. Switch back to the `main` branch and pull the merged PR
 4. Create and push a tag for the new version you want to publish:
    1. `git tag 10.0.0`
    2. `git push --tags`
@@ -195,7 +195,7 @@ rights to publish new releases on npm.
    1. I'd recommend writing them in an offline editor because each edit to a draft will change the URL in GitHub.
 2. Make a PR where **only** the version number is incremented in `package.json` (note: We follow `SemVer` conventions)
 3. Wait until the PR is approved and merged.
-4. Switch back to the `master` branch and pull the merged PR
+4. Switch back to the `main` branch and pull the merged PR
 5. Run `npm run build && npm publish`
    1. Make sure you have 2FA enabled in npm, otherwise the above command will fail.
    2. If you're doing a pre-release add `--tag next` to the `npm publish` command to publish it under a different tag (default is `latest`)
diff --git a/README.md b/README.md
index 8795a0e781..e27535a579 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@
 [![OpenCollective Backers](https://opencollective.com/preact/backers/badge.svg)](#backers)
 [![OpenCollective Sponsors](https://opencollective.com/preact/sponsors/badge.svg)](#sponsors)
 
-[![coveralls](https://img.shields.io/coveralls/preactjs/preact/master.svg)](https://coveralls.io/github/preactjs/preact)
+[![coveralls](https://img.shields.io/coveralls/preactjs/preact/main.svg)](https://coveralls.io/github/preactjs/preact)
 [![gzip size](http://img.badgesize.io/https://unpkg.com/preact/dist/preact.min.js?compression=gzip&label=gzip)](https://unpkg.com/preact/dist/preact.min.js)
 [![brotli size](http://img.badgesize.io/https://unpkg.com/preact/dist/preact.min.js?compression=brotli&label=brotli)](https://unpkg.com/preact/dist/preact.min.js)
 
@@ -185,6 +185,6 @@ MIT
 
 [![Preact](https://i.imgur.com/YqCHvEW.gif)](https://preactjs.com)
 
-[preact/compat]: https://github.com/preactjs/preact/tree/master/compat
+[preact/compat]: https://github.com/preactjs/preact/tree/main/compat
 [hyperscript]: https://github.com/dominictarr/hyperscript
 [DevTools]: https://github.com/preactjs/preact-devtools
diff --git a/benches/proxy-packages/preact-master-proxy/package.json b/benches/proxy-packages/preact-master-proxy/package.json
index 57f641badf..f34ced6c6a 100644
--- a/benches/proxy-packages/preact-master-proxy/package.json
+++ b/benches/proxy-packages/preact-master-proxy/package.json
@@ -5,6 +5,6 @@
   "type": "module",
   "main": "index.js",
   "dependencies": {
-    "preact": "file:../../../preact-master.tgz"
+    "preact": "file:../../../preact-main.tgz"
   }
 }
diff --git a/benches/scripts/bench.js b/benches/scripts/bench.js
index f9f5119265..a5513280e0 100644
--- a/benches/scripts/bench.js
+++ b/benches/scripts/bench.js
@@ -21,7 +21,7 @@ export const defaultBenchOptions = {
 	// GitHub Action minutes
 	timeout: 1,
 	'window-size': '1024,768',
-	framework: IS_CI ? ['preact-master', 'preact-local', 'preact-hooks'] : null,
+	framework: IS_CI ? ['preact-main', 'preact-local', 'preact-hooks'] : null,
 	trace: false
 };
 
diff --git a/benches/scripts/config.js b/benches/scripts/config.js
index 6897a3a364..cbc2809df0 100644
--- a/benches/scripts/config.js
+++ b/benches/scripts/config.js
@@ -49,14 +49,13 @@ export const frameworks = [
 		}
 	},
 	{
-		label: 'preact-master',
+		label: 'preact-main',
 		dependencies: {
-			framework:
-				'file:' + repoRoot('benches/proxy-packages/preact-master-proxy')
+			framework: 'file:' + repoRoot('benches/proxy-packages/preact-main-proxy')
 		},
 		async isValid() {
 			try {
-				await stat(repoRoot('preact-master.tgz'));
+				await stat(repoRoot('preact-main.tgz'));
 				return validateFileDep(this.dependencies.framework);
 			} catch (e) {
 				return false;
diff --git a/benches/scripts/index.js b/benches/scripts/index.js
index 4eeb21a898..e66ddbcd58 100644
--- a/benches/scripts/index.js
+++ b/benches/scripts/index.js
@@ -30,7 +30,7 @@ prog
 	.example('bench text*')
 	.example('bench *.html')
 	.example('bench all')
-	.example('bench many* -f preact-local -f preact-master')
+	.example('bench many* -f preact-local -f preact-main')
 	.option(
 		'--browser, -b',
 		'Which browsers to launch in automatic mode, comma-delimited (chrome, chrome-headless, firefox, firefox-headless, safari, edge, ie)',
@@ -72,7 +72,7 @@ prog
 // Tests:
 // - (no args)
 // - many*
-// - many* -f preact-local -f preact-master
+// - many* -f preact-local -f preact-main
 prog
 	.command('deopts [benchmark]')
 	.describe(
@@ -81,7 +81,7 @@ prog
 	.example('deopts many_updates.html')
 	.example('deopts many*')
 	.example('deopts many* -f preact-local')
-	.example('deopts many* -f preact-local -f preact-master')
+	.example('deopts many* -f preact-local -f preact-main')
 	.option(
 		'--framework, -f',
 		'The framework to run the benchmark with.',
diff --git a/sizereport.config.js b/sizereport.config.js
index 36c9d2dfce..9511c8cbd6 100644
--- a/sizereport.config.js
+++ b/sizereport.config.js
@@ -1,5 +1,5 @@
 module.exports = {
 	repo: 'preactjs/preact',
 	path: ['./{compat,debug,hooks,}/dist/**/!(*.map)'],
-	branch: 'master'
+	branch: 'main'
 };