diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 931a045..be0b865 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -2,7 +2,7 @@ name: Documentation
 on:
   push:
     branches:
-      - master
+      - main
     tags: '*'
   pull_request:
     types: [opened, synchronize, reopened]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec74b25..930cda8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     types: [opened, synchronize, reopened]
 jobs:
diff --git a/.github/workflows/format_pr.yml b/.github/workflows/format_pr.yml
index 60382f1..c8f5308 100644
--- a/.github/workflows/format_pr.yml
+++ b/.github/workflows/format_pr.yml
@@ -3,7 +3,7 @@ name: format-pr
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   build:
diff --git a/README.md b/README.md
index 09e0f1e..b273233 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,9 @@ The models in this package specialize on modifying existing methods.
 [![GitHub release](https://img.shields.io/github/release/JuliaSmoothOptimizers/NLPModelsModifiers.jl.svg)](https://github.com/JuliaSmoothOptimizers/NLPModelsModifiers.jl/releases/latest)
 [![](https://img.shields.io/badge/docs-stable-3f51b5.svg)](https://JuliaSmoothOptimizers.github.io/NLPModelsModifiers.jl/stable)
 [![](https://img.shields.io/badge/docs-latest-3f51b5.svg)](https://JuliaSmoothOptimizers.github.io/NLPModelsModifiers.jl/dev)
-[![codecov](https://codecov.io/gh/JuliaSmoothOptimizers/NLPModelsModifiers.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaSmoothOptimizers/NLPModelsModifiers.jl)
+[![codecov](https://codecov.io/gh/JuliaSmoothOptimizers/NLPModelsModifiers.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/JuliaSmoothOptimizers/NLPModelsModifiers.jl)
 
-![CI](https://github.com/JuliaSmoothOptimizers/NLPModelsModifiers.jl/workflows/CI/badge.svg?branch=master)
+![CI](https://github.com/JuliaSmoothOptimizers/NLPModelsModifiers.jl/workflows/CI/badge.svg?branch=main)
 [![Cirrus CI - Base Branch Build Status](https://img.shields.io/cirrus/github/JuliaSmoothOptimizers/NLPModelsModifiers.jl?logo=Cirrus%20CI)](https://cirrus-ci.com/github/JuliaSmoothOptimizers/NLPModelsModifiers.jl)
 
 ## Models