diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1173a445c..cf6824cd9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Litmus Parallel
-      uses: puppetlabs/action-litmus_parallel@master
+      uses: puppetlabs/action-litmus_parallel@main
       with:
         platform: ${{ matrix.platform }}
         agent_family: ${{ matrix.agent_family }}
@@ -40,7 +40,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Litmus Parallel
-      uses: puppetlabs/action-litmus_parallel@master
+      uses: puppetlabs/action-litmus_parallel@main
       with:
         platform: ${{ matrix.platform }}
         agent_family: ${{ matrix.agent_family }}
@@ -63,7 +63,7 @@ jobs:
     - uses: actions/checkout@v1
 
     - name: Spec Tests
-      uses: puppetlabs/action-litmus_spec@master
+      uses: puppetlabs/action-litmus_spec@main
       with:
         puppet_gem_versionm: ${{ matrix.puppet_gem_version }}
         check: ${{ matrix.check }}
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index afc1f70bc..2616a60cb 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Litmus Parallel
-      uses: puppetlabs/action-litmus_parallel@master
+      uses: puppetlabs/action-litmus_parallel@main
       with:
         platform: ${{ matrix.platform }}
         agent_family: ${{ matrix.agent_family }}
@@ -39,7 +39,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Litmus Parallel
-      uses: puppetlabs/action-litmus_parallel@master
+      uses: puppetlabs/action-litmus_parallel@main
       with:
         platform: ${{ matrix.platform }}
         agent_family: ${{ matrix.agent_family }}
@@ -58,7 +58,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Spec Tests
-      uses: puppetlabs/action-litmus_spec@master
+      uses: puppetlabs/action-litmus_spec@main
       with:
         puppet_gem_version: ${{ matrix.puppet_gem_version }}
         check: ${{ matrix.check }}
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1a9fb3a5c..9c171f994 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -108,7 +108,7 @@ process as easy as possible.
 
       To submit your changes via a GitHub pull request, we _highly_
       recommend that you have them on a topic branch, instead of
-      directly on "master".
+      directly on "main".
       It makes things much easier to keep track of, especially if
       you decide to work on another thing before your first change
       is merged in.
diff --git a/README.md b/README.md
index b6264b294..bf2507678 100644
--- a/README.md
+++ b/README.md
@@ -613,7 +613,7 @@ The MySQL module has an example task that allows a user to execute arbitary SQL
 
 ## Limitations
 
-For an extensive list of supported operating systems, see [metadata.json](https://github.com/puppetlabs/puppetlabs-mysql/blob/master/metadata.json)
+For an extensive list of supported operating systems, see [metadata.json](https://github.com/puppetlabs/puppetlabs-mysql/blob/main/metadata.json)
 
 **Note:** The mysqlbackup.sh does not work and is not supported on MySQL 5.7 and greater.
 
diff --git a/lib/puppet/provider/mysql_login_path/inifile.rb b/lib/puppet/provider/mysql_login_path/inifile.rb
index d15632ddf..d556bd06b 100644
--- a/lib/puppet/provider/mysql_login_path/inifile.rb
+++ b/lib/puppet/provider/mysql_login_path/inifile.rb
@@ -1,6 +1,6 @@
 # encoding: UTF-8
 
-# See: https://github.com/puppetlabs/puppet/blob/master/lib/puppet/util/inifile.rb
+# See: https://github.com/puppetlabs/puppet/blob/main/lib/puppet/util/inifile.rb
 # This class represents the INI file and can be used to parse, modify,
 # and write INI files.
 class Puppet::Provider::MysqlLoginPath::IniFile < Puppet::Provider
diff --git a/metadata.json b/metadata.json
index d6f084d92..3d6fb9f39 100644
--- a/metadata.json
+++ b/metadata.json
@@ -88,7 +88,7 @@
     }
   ],
   "description": "MySQL module",
-  "template-url": "https://github.com/puppetlabs/pdk-templates#master",
-  "template-ref": "heads/master-0-gd610ead",
+  "template-url": "https://github.com/puppetlabs/pdk-templates#main",
+  "template-ref": "heads/main-0-gd610ead",
   "pdk-version": "1.18.1"
 }
diff --git a/readmes/README_ja_JP.md b/readmes/README_ja_JP.md
index 4a305da71..99d9bd555 100644
--- a/readmes/README_ja_JP.md
+++ b/readmes/README_ja_JP.md
@@ -513,7 +513,7 @@ MySQLモジュールにはサンプルタスクがあり、ユーザはデータ
 
 ## 制約事項
 
-サポートされているオペレーティングシステムの一覧については、[metadata.json](https://github.com/puppetlabs/puppetlabs-mysql/blob/master/metadata.json)を参照してください。
+サポートされているオペレーティングシステムの一覧については、[metadata.json](https://github.com/puppetlabs/puppetlabs-mysql/blob/main/metadata.json)を参照してください。
 
 **注意：** mysqlbackup.shは、MySQL 5.7以降では動作せず、サポートされていません。