diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index ee597d8..aa491cf 100644
--- a/.github/workflows/deploy-docs.yaml
+++ b/.github/workflows/deploy-docs.yaml
@@ -20,7 +20,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
         with:
           fetch-depth: 0  # otherwise, you will fail to push refs to dest repo
 
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 2d66f4f..c5df977 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -26,7 +26,7 @@ jobs:
 
       # https://github.com/actions/checkout
       - name: Check out repository
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test_pages_build.yaml b/.github/workflows/test_pages_build.yaml
index 0637278..44ec6b5 100644
--- a/.github/workflows/test_pages_build.yaml
+++ b/.github/workflows/test_pages_build.yaml
@@ -26,7 +26,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.0
         with:
           fetch-depth: 0