diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 87901fd..9dc8f39 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -8,7 +8,7 @@ jobs:
       BUNDLE_GEMFILE: ${{ github.workspace }}/Gemfile.danger
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Set up Ruby
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index d281f52..287ec05 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/test-activerecord.yml b/.github/workflows/test-activerecord.yml
index 6bf3fce..66adbca 100644
--- a/.github/workflows/test-activerecord.yml
+++ b/.github/workflows/test-activerecord.yml
@@ -19,7 +19,7 @@ jobs:
           postgresql db: slack_ruby_bot_server_test
           postgresql user: test
           postgresql password: password
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.entry.ruby }}
diff --git a/.github/workflows/test-mongodb.yml b/.github/workflows/test-mongodb.yml
index 41fd19c..18c0d6d 100644
--- a/.github/workflows/test-mongodb.yml
+++ b/.github/workflows/test-mongodb.yml
@@ -13,7 +13,7 @@ jobs:
       MONGOID_VERSION: ${{ matrix.entry.mongoid }}
       GRAPE_VERSION: ${{ matrix.entry.grape }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.entry.ruby }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4bc89d7..7c250f5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
           - { ruby: 3.4 }
     name: test (ruby=${{ matrix.entry.ruby }})
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.entry.ruby }}