diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index ddf0230..9481b81 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@v4.2.2
+        uses: actions/checkout@v5.0.0
         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 87333d2..b18a76e 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@v4.2.2
+        uses: actions/checkout@v5.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/pypi-publish.yaml b/.github/workflows/pypi-publish.yaml
index 7a8736c..eb38a98 100644
--- a/.github/workflows/pypi-publish.yaml
+++ b/.github/workflows/pypi-publish.yaml
@@ -28,7 +28,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test_pages_build.yaml b/.github/workflows/test_pages_build.yaml
index 5a76299..296e17b 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@v4.2.2
+        uses: actions/checkout@v5.0.0
         with:
           fetch-depth: 0