diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 076c6f072..0d7e69858 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           - { ruby: head, experimental: true }
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/isolated.yml b/.github/workflows/isolated.yml
index a4a1749a2..7c5ad6d36 100644
--- a/.github/workflows/isolated.yml
+++ b/.github/workflows/isolated.yml
@@ -8,7 +8,7 @@ jobs:
         ruby: [2.7]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 7af0a0172..264ac509e 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -10,7 +10,7 @@ jobs:
         ruby: [2.7]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}