diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e2d54896..d568776c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
           - { os: windows-latest , ruby: truffleruby }
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -89,7 +89,7 @@ jobs:
           - ubuntu-24.04-s390x
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         run: |
@@ -122,7 +122,7 @@ jobs:
           - fedora-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: docker compose build ${{ matrix.service }}
 
diff --git a/.github/workflows/libffi.yml b/.github/workflows/libffi.yml
index d1654a00..bd6df8d9 100644
--- a/.github/workflows/libffi.yml
+++ b/.github/workflows/libffi.yml
@@ -13,7 +13,7 @@ jobs:
         libffi-prefix: [/tmp/local, '']
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b7f28223..86ab3647 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Create a release
         run: |
           ruby \
@@ -33,7 +33,7 @@ jobs:
       id-token: write
     environment: release
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ruby