diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 1e59a002e..7e221b080 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -52,7 +52,7 @@ jobs:
       matrix:
         format: [ html, latex, epub ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 5
 
@@ -135,7 +135,7 @@ jobs:
     name: Lint translations
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 5
 
@@ -195,7 +195,7 @@ jobs:
     name: Check for zero-width space characters
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.version }}
 
diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index fb5f86c93..3e0d2295a 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -30,14 +30,14 @@ jobs:
       # 1- Set up environment
 
       - name: Check out this repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set language dir variable
         run:
           echo "PYDOC_LANG_DIR=${{ env.PYDOC_VERSION }}" >> $GITHUB_ENV
 
       - name: Checkout this repository ${{ env.PYDOC_VERSION }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.PYDOC_VERSION }}
           path: ${{ env.PYDOC_LANG_DIR }}