diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index c20092b..9282983 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -11,7 +11,7 @@ jobs:
   release-dockerimage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Extract dyndnsd version from tag name
       run: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96add08..862e27f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
         - '3.0'
         - '3.1'
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Ruby ${{ matrix.ruby-version }}
       uses: ruby/setup-ruby@v1
       with:
@@ -37,7 +37,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Check workflow files
       run: |
         echo "::add-matcher::.github/actionlint-matcher.json"