diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 33fa4b73..b94ac025 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Install SiraDoc
       run: npm install --global @siradoc/siradoc
@@ -25,7 +25,7 @@ jobs:
       run: siradoc docs build
 
     - name: Clone branch gh-pages
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         path: 'gh-pages'
         ref: gh-pages