diff --git a/.github/workflows/analysis.yml b/.github/workflows/analysis.yml
index fd92c87c..5d416143 100644
--- a/.github/workflows/analysis.yml
+++ b/.github/workflows/analysis.yml
@@ -4,9 +4,9 @@ name: Analysis
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
   schedule:
     - cron: 13 7 * * 6
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d338368e..d41edc00 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,9 +4,9 @@ name: Test
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 concurrency:
   group: ${{ github.ref }}-test
diff --git a/RELEASE.md b/RELEASE.md
index b2902504..14ba3ea8 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -10,15 +10,15 @@ Ensure your local workstation is configured to be able to
 ### Checkout latest code
 
 ```shell
-$ git checkout master
-$ git pull origin master
+$ git checkout main
+$ git pull origin main
 ```
 
 ### Bump version
 
 Update version in [`lib/semian/version.rb`](./lib/semian/version.rb).
 Check if there is required changes in [`README.md`](./README.md).
-Add line after `## [Unreleased]` in [`CHANGELOG.md`][./CHANGELOG.md] with new version.
+Add line after `## [Unreleased]` in [`CHANGELOG.md`](./CHANGELOG.md) with new version.
 
 ### Run Tests
 
@@ -28,7 +28,7 @@ Check [`README.md`](./README.md).
 ### Create Release Commit and Tag
 
 Commit changes and create a tag. Make sure commit and tag are signed.
-Extract related content from [`CHANGELOG.md`][./CHANGELOG.md] for a tag message.
+Extract related content from [`CHANGELOG.md`](./CHANGELOG.md) for a tag message.
 
 ```shell
 $ bundle install
@@ -42,7 +42,7 @@ $ git tag -s "v$RELEASE_VERSION"
 On your local machine again, push your commit and tag
 
 ```shell
-$ git push origin master --follow-tags
+$ git push origin main --follow-tags
 ```
 
 ## Verify rubygems release
diff --git a/Rakefile b/Rakefile
index 4b88835b..7bf32c18 100644
--- a/Rakefile
+++ b/Rakefile
@@ -151,7 +151,7 @@ task :flamegraph do
   flamegraph_parse_command = "flamegraph.pl --countname=ms --width=1400"
 
   %x(ruby #{script} | #{flamegraph_parse_command} > without_semian.svg)
-  ["v0.15.0", "v0.16.0", "v0.17.0", "master"].each do |ver|
+  ["v0.15.0", "v0.16.0", "v0.17.0", "main"].each do |ver|
     %x(WITH_CIRCUIT_BREAKER_ENABLED=1 SEMIAN_VERSION=#{ver} ruby #{script} \
         | #{flamegraph_parse_command} > semian_#{ver}_enabled.svg)
   end
@@ -159,7 +159,7 @@ end
 
 desc "Run benchmarks for specific versions"
 task :benchmark do
-  ["v0.15.0", "v0.16.0", "v0.17.0", "master"].each do |ver|
+  ["v0.15.0", "v0.16.0", "v0.17.0", "main"].each do |ver|
     ruby "scripts/benchmarks/net_http_acquire_benchmarker.rb SEMIAN_VERSION=#{ver}"
     ruby "scripts/benchmarks/lru_benchmarker.rb SEMIAN_VERSION=#{ver}"
   end
diff --git a/semian.gemspec b/semian.gemspec
index 0e986857..ca6a6603 100644
--- a/semian.gemspec
+++ b/semian.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
   s.metadata = {
     "allowed_push_host" => "https://rubygems.org",
     "bug_tracker_uri" => "https://github.com/Shopify/semian/issues",
-    "changelog_uri" => "https://github.com/Shopify/semian/blob/master/CHANGELOG.md",
+    "changelog_uri" => "https://github.com/Shopify/semian/blob/main/CHANGELOG.md",
     "documentation_uri" => "https://github.com/Shopify/semian",
     "homepage_uri" => "https://github.com/Shopify/semian",
     "source_code_uri" => "https://github.com/Shopify/semian",