diff --git a/.github/actions/manifests-lint/action.yml b/.github/actions/manifests-lint/action.yml
index 525d447..0cbe36d 100644
--- a/.github/actions/manifests-lint/action.yml
+++ b/.github/actions/manifests-lint/action.yml
@@ -23,7 +23,7 @@ runs:
   using: composite
   steps:
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "3.12"
 
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 0dc9195..52c65c9 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -12,18 +12,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout toolspace-site
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           path: toolspace-site
 
       - name: Checkout install-manifest-spec
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: drknowhow/install-manifest-spec
           path: install-manifest-spec
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -35,10 +35,10 @@ jobs:
     name: manifests.json structure
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -49,10 +49,10 @@ jobs:
     name: registry pages match a fresh build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -63,10 +63,10 @@ jobs:
     name: changelog page matches a fresh build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -77,10 +77,10 @@ jobs:
     name: federation pipeline unit tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -97,18 +97,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout toolspace-site
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           path: toolspace-site
 
       - name: Checkout install-manifest-spec
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: drknowhow/install-manifest-spec
           path: install-manifest-spec
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -128,10 +128,10 @@ jobs:
     # scope for this gate. Flip to --strict once examples are cleaned up in
     # a dedicated PR.
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 1aebb15..d4896dd 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,7 @@ jobs:
     # than stall the surface; CI failures will show up as deploy-time
     # errors which is acceptable for a static-only site.
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Node
         uses: actions/setup-node@v4
diff --git a/.github/workflows/federation-sync.yml b/.github/workflows/federation-sync.yml
index b81977f..acda435 100644
--- a/.github/workflows/federation-sync.yml
+++ b/.github/workflows/federation-sync.yml
@@ -28,10 +28,10 @@ jobs:
     name: sync federated publishers
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"