diff --git a/.github/workflows/linux-test.yaml b/.github/workflows/linux-test.yaml
index 3ac7542..641efc5 100644
--- a/.github/workflows/linux-test.yaml
+++ b/.github/workflows/linux-test.yaml
@@ -23,7 +23,7 @@ jobs:
 
     name: Ruby ${{ matrix.ruby }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/macos-test.yaml b/.github/workflows/macos-test.yaml
index 76224b3..1d1bb3f 100644
--- a/.github/workflows/macos-test.yaml
+++ b/.github/workflows/macos-test.yaml
@@ -17,7 +17,7 @@ jobs:
 
     name: Ruby ${{ matrix.ruby }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/windows-test.yaml b/.github/workflows/windows-test.yaml
index 8953cb4..2ba5ccd 100644
--- a/.github/workflows/windows-test.yaml
+++ b/.github/workflows/windows-test.yaml
@@ -17,7 +17,7 @@ jobs:
           - windows-latest
     name: Ruby ${{ matrix.ruby }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: