diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 82cbf07c..7809cfbb 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -6,6 +6,7 @@
 - [ ] Bug fix.
 - [ ] New feature.
 - [ ] Documentation update.
+- [ ] Testing.
 
 ## Checklist for the reviewer:
 <!-- Put an `x` in the boxes that apply. These can be filled by reviewer after the PR is created. -->
diff --git a/.github/workflows/cd_release.yml b/.github/workflows/cd_release.yml
index a0f754b5..8357f404 100644
--- a/.github/workflows/cd_release.yml
+++ b/.github/workflows/cd_release.yml
@@ -14,7 +14,7 @@ jobs:
       # General
       git_username: "TEAM 4.0[bot]"
       git_email: "Team4.0@SINTEF.no"
-      release_branch: main
+      release_branch: master
       install_extras: "[dev]"
 
       # Build package
diff --git a/.github/workflows/ci_cd_updated_main.yml b/.github/workflows/ci_cd_updated_main.yml
index a0d0eb51..f13c1b96 100644
--- a/.github/workflows/ci_cd_updated_main.yml
+++ b/.github/workflows/ci_cd_updated_main.yml
@@ -1,8 +1,8 @@
-name: CI/CD - New updates to 'main'
+name: CI/CD - New updates to 'master'
 
 on:
   push:
-    branches: [main]
+    branches: [master]
 
 jobs:
   update-deps-branch-and-docs:
@@ -13,7 +13,7 @@ jobs:
       git_username: "TEAM 4.0[bot]"
       git_email: "Team4.0@SINTEF.no"
       permanent_dependencies_branch: "ci/dependency-updates"
-      default_repo_branch: main
+      default_repo_branch: master
       package_dirs: tripper
       update_docs: true
       update_python_api_ref: true
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 41f19b82..d984ef1f 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -4,7 +4,7 @@ on:
   pull_request:
   push:
     branches:
-      - 'main'
+      - 'master'
       - 'push-action/**'  # Allow pushing to protected branches (using CasperWA/push-protected)
 
 jobs:
diff --git a/.github/workflows/ci_update_dependencies.yml b/.github/workflows/ci_update_dependencies.yml
index 6047b001..72cd429d 100644
--- a/.github/workflows/ci_update_dependencies.yml
+++ b/.github/workflows/ci_update_dependencies.yml
@@ -15,7 +15,7 @@ jobs:
       git_username: "TEAM 4.0[bot]"
       git_email: "Team4.0@SINTEF.no"
       permanent_dependencies_branch: "ci/dependency-updates"
-      default_repo_branch: main
+      default_repo_branch: master
       pr_labels: "CI/CD,skip_changelog"
       extra_to_dos: "- [ ] Make sure that the PR is **squash** merged, with a sensible commit message."
       update_pre-commit: true
diff --git a/README.md b/README.md
index c14341d6..c097936d 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ _Triplestore wrapper for Python providing a simple and consistent interface to a
 
 [![PyPI](https://img.shields.io/pypi/v/tripper?logo=pypi)](https://pypi.org/project/tripper)
 [![Documentation](https://img.shields.io/badge/documentation-informational?logo=github)](https://emmc-asbl.github.io/tripper/latest/)
-[![CI tests](https://github.com/EMMC-ASBL/tripper/workflows/CI%20-%20Tests/badge.svg)](https://github.com/EMMC-ASBL/tripper/actions/workflows/ci_tests.yml?query=branch%3Amain)
+[![CI tests](https://github.com/EMMC-ASBL/tripper/workflows/CI%20-%20Tests/badge.svg)](https://github.com/EMMC-ASBL/tripper/actions/workflows/ci_tests.yml?query=branch%3Amaster)
 [![DOI](https://zenodo.org/badge/547162834.svg)](https://zenodo.org/badge/latestdoi/547162834)
 
 
diff --git a/docs/index.md b/docs/index.md
index 50fd13e6..e8b60a84 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -5,7 +5,7 @@ _Triplestore wrapper for Python providing a simple and consistent interface to a
 
 [![PyPI](https://img.shields.io/pypi/v/tripper?logo=pypi)](https://pypi.org/project/tripper)
 [![Documentation](https://img.shields.io/badge/documentation-informational?logo=github)](https://emmc-asbl.github.io/tripper/latest/)
-[![CI tests](https://github.com/EMMC-ASBL/tripper/workflows/CI%20-%20Tests/badge.svg)](https://github.com/EMMC-ASBL/tripper/actions/workflows/ci_tests.yml?query=branch%3Amain)
+[![CI tests](https://github.com/EMMC-ASBL/tripper/workflows/CI%20-%20Tests/badge.svg)](https://github.com/EMMC-ASBL/tripper/actions/workflows/ci_tests.yml?query=branch%3Amaster)
 [![DOI](https://zenodo.org/badge/547162834.svg)](https://zenodo.org/badge/latestdoi/547162834)
 
 
diff --git a/examples/workflow-mappings/README.md b/examples/workflow-mappings/README.md
index 74701cab..ee3711dc 100644
--- a/examples/workflow-mappings/README.md
+++ b/examples/workflow-mappings/README.md
@@ -40,4 +40,4 @@ which should produce the following graph:
 
 
 
- [workflow_example.py]: https://github.com/EMMC-ASBL/tripper/blob/main/examples/workflow-mappings/workflow_mappings.py
+ [workflow_example.py]: https://github.com/EMMC-ASBL/tripper/blob/master/examples/workflow-mappings/workflow_mappings.py
diff --git a/pyproject.toml b/pyproject.toml
index 7a062c98..9d3d8e08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ Home = "https://github.com/EMMC-ASBL/tripper"
 Documentation = "https://EMMC-ASBL.github.io/tripper"
 Source = "https://github.com/EMMC-ASBL/tripper"
 "Issue Tracker" = "https://github.com/EMMC-ASBL/tripper/issues"
-Changelog = "https://github.com/EMMC-ASBL/tripper/blob/main/CHANGELOG.md"
+Changelog = "https://github.com/EMMC-ASBL/tripper/blob/master/CHANGELOG.md"
 Package = "https://pypi.org/project/tripper"
 
 [tool.isort]