diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 53f291c6..f87fc89f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,11 +3,11 @@ name: Py 3.10, 3.11, 3.12 | Windows Mac Linux
 on:
   push:
     branches:
-      - master
+      - main
       - develop
   pull_request:
     branches:
-      - master
+      - main
       - develop
 
 jobs:
@@ -44,7 +44,7 @@ jobs:
 
       - id: hindcast-logic
         run: |
-          if [[ "${{ github.event.pull_request.base.ref }}" == "master" || "${{ steps.changes.outputs.wave_io_hindcast }}" == "true" ]]; then
+          if [[ "${{ github.event.pull_request.base.ref }}" == "main" || "${{ steps.changes.outputs.wave_io_hindcast }}" == "true" ]]; then
             echo "should-run-hindcast=true" >> "$GITHUB_OUTPUT"
           else
             echo "should-run-hindcast=false" >> "$GITHUB_OUTPUT"
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 239b3fa1..ed41bb00 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -1,4 +1,4 @@
-# Builds mhkit and publishes to testpypi.org on every commit to master. On tagged commits, also publishes to pypi.org.
+# Builds mhkit and publishes to testpypi.org on every commit to main. On tagged commits, also publishes to pypi.org.
 # https://packaging.python.org/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
 
 name: Build and release 🐍 📦
@@ -6,7 +6,7 @@ name: Build and release 🐍 📦
 on:
   push:
     branches:
-      - master
+      - main
   release:
     types: [published]
 
diff --git a/README.md b/README.md
index 4a6f5c3d..2c00db8e 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@
     <a href=https://github.com/MHKiT-Software/MHKiT-Python/actions/workflows/main.yml>
         <img src="https://github.com/MHKiT-Software/MHKiT-Python/actions/workflows/main.yml/badge.svg">
     </a>
-    <a href=https://coveralls.io/github/MHKiT-Software/MHKiT-Python?branch=master>
-        <img src="https://coveralls.io/repos/github/MHKiT-Software/MHKiT-Python/badge.svg?branch=master">
+    <a href=https://coveralls.io/github/MHKiT-Software/MHKiT-Python?branch=main>
+        <img src="https://coveralls.io/repos/github/MHKiT-Software/MHKiT-Python/badge.svg?branch=main">
     </a>
     <a href=https://pepy.tech/project/mhkit>
         <img src="https://pepy.tech/badge/mhkit">
@@ -82,7 +82,7 @@ The GitHub platform has the branch feature that facilitates code contributions a
 1. Navigate to your fork of MHKiT-Python (see instructions above)
 2. Above the list of files, click **Branches**.
 3. Click **New Branch**.
-4. Enter a name for the branch. Be sure to select **MHKiT-Software/MHKiT-Python:master** as the source.
+4. Enter a name for the branch. Be sure to select **MHKiT-Software/MHKiT-Python:main** as the source.
 5. Click **Create branch**. You will now have a branch on your fork of MHKiT-Python that you can use to work with the code base.
 
 ## Creating a pull request