diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 931a0459..be0b8658 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 ec74b254..930cda8f 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 60382f15..c8f53089 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 dc18ef29..73d4109f 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 # OptimizationProblems
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3672094.svg)](https://doi.org/10.5281/zenodo.3672094)
-[![CI](https://github.com/JuliaSmoothOptimizers/OptimizationProblems.jl/workflows/CI/badge.svg?branch=master)](https://github.com/JuliaSmoothOptimizers/OptimizationProblems.jl/actions)
+[![CI](https://github.com/JuliaSmoothOptimizers/OptimizationProblems.jl/workflows/CI/badge.svg?branch=main)](https://github.com/JuliaSmoothOptimizers/OptimizationProblems.jl/actions)
 [![Build Status](https://api.cirrus-ci.com/github/JuliaSmoothOptimizers/OptimizationProblems.jl.svg)](https://cirrus-ci.com/github/JuliaSmoothOptimizers/OptimizationProblems.jl)
-[![codecov](https://codecov.io/gh/JuliaSmoothOptimizers/OptimizationProblems.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaSmoothOptimizers/OptimizationProblems.jl)
+[![codecov](https://codecov.io/gh/JuliaSmoothOptimizers/OptimizationProblems.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/JuliaSmoothOptimizers/OptimizationProblems.jl)
 [![Documentation/stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://JuliaSmoothOptimizers.github.io/OptimizationProblems.jl/stable)
 [![Documentation/dev](https://img.shields.io/badge/docs-latest-blue.svg)](https://JuliaSmoothOptimizers.github.io/OptimizationProblems.jl/latest)