diff --git a/.github/workflows/badge.yml b/.github/workflows/badge.yml
index 988f8df..b0665c2 100644
--- a/.github/workflows/badge.yml
+++ b/.github/workflows/badge.yml
@@ -2,7 +2,7 @@ name: badge
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
 
 env:
   CARGO_TERM_COLOR: always
diff --git a/.github/workflows/fast-pr-check.yml b/.github/workflows/fast-pr-check.yml
index 443a6ec..e25da94 100644
--- a/.github/workflows/fast-pr-check.yml
+++ b/.github/workflows/fast-pr-check.yml
@@ -3,7 +3,7 @@ name: Fast PR check
 on:
   pull_request:
     types: [ opened, edited ]
-    branches: [ master ]
+    branches: [ main ]
     paths: 
       - '**.rs'
       - '**/Cargo.toml'
diff --git a/.github/workflows/lints.yml b/.github/workflows/lints.yml
index 903a694..c2b05c4 100644
--- a/.github/workflows/lints.yml
+++ b/.github/workflows/lints.yml
@@ -3,7 +3,7 @@ name: Lints
 on:
   pull_request:
     types: [ opened, edited ]
-    branches: [ master ]
+    branches: [ main ]
     paths: 
       - '**.rs'
       - '**/Cargo.toml'
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 8855bf7..345f60c 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -1,7 +1,7 @@
 on:
   push:
     branches:
-      - master
+      - main
 name: release-please
 jobs:
   release-please:
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index fcd4033..af66769 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -3,7 +3,7 @@ name: Security audit
 on:
   pull_request:
     types: [ labeled ]
-    branches: [ master ]
+    branches: [ main ]
     paths:
       - '**/Cargo.toml'
 
diff --git a/README.md b/README.md
index cce70d9..299c10b 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![crates](https://img.shields.io/crates/v/allocator_api2.svg?style=for-the-badge&label=allocator_api2)](https://crates.io/crates/allocator_api2)
 [![docs](https://img.shields.io/badge/docs.rs-allocator--api2-66c2a5?style=for-the-badge&labelColor=555555&logoColor=white)](https://docs.rs/allocator_api2)
-[![actions](https://img.shields.io/github/actions/workflow/status/zakarumych/allocator_api2/badge.yml?branch=master&style=for-the-badge)](https://github.com/zakarumych/allocator_api2/actions/workflows/badge.yml)
+[![actions](https://img.shields.io/github/actions/workflow/status/zakarumych/allocator_api2/badge.yml?branch=main&style=for-the-badge)](https://github.com/zakarumych/allocator_api2/actions/workflows/badge.yml)
 [![MIT/Apache](https://img.shields.io/badge/license-MIT%2FApache-blue.svg?style=for-the-badge)](COPYING)
 ![loc](https://img.shields.io/tokei/lines/github/zakarumych/allocator_api2?style=for-the-badge)