diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 04e6b3e..bf8c6dd 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 4
     if: "!contains(github.event.head_commit.message, '[nodoc]')"
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v3.1.0
     - name: Set up Ruby 3.0
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/update-template-repo.yml b/.github/workflows/update-template-repo.yml
index efc2427..c30cd99 100644
--- a/.github/workflows/update-template-repo.yml
+++ b/.github/workflows/update-template-repo.yml
@@ -13,12 +13,12 @@ jobs:
     timeout-minutes: 15
     if: "!contains(github.event.head_commit.message, '[nodoc]')"
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
       with:
         repository: "Ruby-Starter-Kits/Docker-Middleman-Template"
         path: App
         persist-credentials: false
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
       with:
         repository: 'Ruby-Starter-Kits/Docker-Middleman-Generator'
         path: Docker-Middleman-Generator