diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index 7f6f9e9..d6cd241 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -27,7 +27,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@d5126b9b3579e429dd52e51e68624dda2e05be25 # v1.267.0
diff --git a/.github/workflows/sig.yml b/.github/workflows/sig.yml
index 0b39a66..8efa56a 100644
--- a/.github/workflows/sig.yml
+++ b/.github/workflows/sig.yml
@@ -6,7 +6,7 @@ jobs:
   sig:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bfe1ee6..76b78a9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
           - { os: windows-latest, ruby: truffleruby }
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: