diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 66b11291..b388f884 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -2,10 +2,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ main, pre-release, develop ]
+    branches: [ master, pre-release, develop ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ main ]
+    branches: [ master ]
   schedule:
     - cron: '0 16 * * 5'
 
@@ -44,7 +44,7 @@ jobs:
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file. 
         # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+        # queries: ./path/to/local/query, your-org/your-repo/queries@master
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index a5159b36..9b42c1de 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -9,9 +9,9 @@ name: Create Python Package
 
 on:
   push:
-    branches: [ main, pre-release ]
+    branches: [ master, pre-release ]
   pull_request:
-    branches: [ main, pre-release ]
+    branches: [ master, pre-release ]
 
 jobs:
   build:
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index 2f0a6f49..31308447 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -16,7 +16,7 @@ jobs:
   update_release_draft:
     runs-on: ubuntu-latest
     steps:
-      # Drafts your next Release notes as Pull Requests are merged into "main"
+      # Drafts your next Release notes as Pull Requests are merged into "master"
       - uses: release-drafter/release-drafter@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.rst b/README.rst
index b7f9df6f..5973e47c 100644
--- a/README.rst
+++ b/README.rst
@@ -1,11 +1,11 @@
-.. image:: https://github.com/easyScience/EasyReflectometryLib/raw/main/docs/src/_static/logo.png
+.. image:: https://github.com/easyScience/EasyReflectometryLib/raw/master/docs/src/_static/logo.png
         :target: https://easyscience.github.io/EasyReflectometryLib/
 
 |
 
 .. image:: https://github.com/easyScience/EasyReflectometryLib/actions/workflows/python-ci.yml/badge.svg
         :target: https://github.com/easyScience/easyReflectometryLib/actions/workflows/python-ci.yml
-.. image:: https://codecov.io/gh/easyScience/EasyReflectometryLib/branch/main/graph/badge.svg?token=LcnB8AMGkw
+.. image:: https://codecov.io/gh/easyScience/EasyReflectometryLib/branch/master/graph/badge.svg?token=LcnB8AMGkw
         :target: https://codecov.io/gh/easyScience/EasyReflectometryLib
 .. image:: https://www.codefactor.io/repository/github/easyscience/easyreflectometrylib/badge
         :target: https://www.codefactor.io/repository/github/easyscience/easyreflectometrylib