diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml
index de5bb10..659e550 100644
--- a/.github/workflows/ghcr.yml
+++ b/.github/workflows/ghcr.yml
@@ -7,12 +7,12 @@ on:
   # Run build for any PRs - we won't push in those however
   pull_request:
     branches:
-      - master
+      - main
 
-  # Publish `master` as Docker `latest` image.
+  # Publish `main` as Docker `latest` image.
   push:
     branches:
-      - master
+      - main
 
 env:
   IMAGE_NAME: emeis
@@ -47,8 +47,8 @@ jobs:
           # Strip "v" prefix from tag name
           [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
           # Use Docker `latest` tag convention
-          if [[ "$VERSION" == "master" ]]; then
-            # only push "dev" image from master branch build
+          if [[ "$VERSION" == "main" ]]; then
+            # only push "dev" image from main branch build
             echo "Pushing $IMAGE_ID:dev"
             docker tag $IMAGE_NAME $IMAGE_ID:dev
             docker push $IMAGE_ID:dev
diff --git a/MAINTAINING.md b/MAINTAINING.md
index 4031503..d902d1e 100644
--- a/MAINTAINING.md
+++ b/MAINTAINING.md
@@ -4,7 +4,7 @@
 
 Here is a rough outline / checklist for the release (explained further below):
 
-1. Checkout `master` branch, ensure you have all tags
+1. Checkout `main` branch, ensure you have all tags
 2. Prepare changelog
 3. Figure out the next version
 4. Update code (CHANGELOG, version info)
@@ -21,7 +21,7 @@ checklist:
 
 ```bash
 # Ensure you're on the current main and have all release tags
-git checkout master
+git checkout main
 git pull origin --tags
 
 # Prepare changelog
diff --git a/README.md b/README.md
index 34b0bfc..aafaad9 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # emeis
 
 [![Build Status](https://github.com/projectcaluma/emeis/workflows/Tests/badge.svg)](https://github.com/projectcaluma/emeis/actions?query=workflow%3ATests)
-[![Coverage](https://img.shields.io/badge/coverage-100%25-brightgreen.svg)](https://github.com/projectcaluma/emeis/blob/master/setup.cfg#L50)
+[![Coverage](https://img.shields.io/badge/coverage-100%25-brightgreen.svg)](https://github.com/projectcaluma/emeis/blob/main/setup.cfg#L50)
 [![Black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/projectcaluma/emeis)
 [![License: GPL-3.0-or-later](https://img.shields.io/github/license/projectcaluma/emeis)](https://spdx.org/licenses/GPL-3.0-or-later.html)
 
@@ -97,7 +97,7 @@ This should always be `false` in production environments.
 * docker
 * docker-compose
 
-After installing and configuring those, download [docker-compose.yml](https://raw.githubusercontent.com/projectcaluma/emeis/master/docker-compose.yml) and run the following command:
+After installing and configuring those, download [docker-compose.yml](https://raw.githubusercontent.com/projectcaluma/emeis/main/docker-compose.yml) and run the following command:
 
 ```bash
 # only needs to be run once