diff --git a/.github/workflows/squad-ci.yml b/.github/workflows/squad-ci.yml
index b601251..e8b6f95 100644
--- a/.github/workflows/squad-ci.yml
+++ b/.github/workflows/squad-ci.yml
@@ -14,7 +14,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/squad-docs.yml b/.github/workflows/squad-docs.yml
index 307d502..d11cb48 100644
--- a/.github/workflows/squad-docs.yml
+++ b/.github/workflows/squad-docs.yml
@@ -21,7 +21,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/squad-heartbeat.yml b/.github/workflows/squad-heartbeat.yml
index 28647aa..426a304 100644
--- a/.github/workflows/squad-heartbeat.yml
+++ b/.github/workflows/squad-heartbeat.yml
@@ -23,7 +23,7 @@ jobs:
   heartbeat:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Ralph — Check for squad work
         uses: actions/github-script@v7
diff --git a/.github/workflows/squad-issue-assign.yml b/.github/workflows/squad-issue-assign.yml
index 21b9063..479b0d9 100644
--- a/.github/workflows/squad-issue-assign.yml
+++ b/.github/workflows/squad-issue-assign.yml
@@ -14,7 +14,7 @@ jobs:
     if: startsWith(github.event.label.name, 'squad:')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Identify assigned member and trigger work
         uses: actions/github-script@v7
diff --git a/.github/workflows/squad-label-enforce.yml b/.github/workflows/squad-label-enforce.yml
index 633d220..df6ef8a 100644
--- a/.github/workflows/squad-label-enforce.yml
+++ b/.github/workflows/squad-label-enforce.yml
@@ -12,7 +12,7 @@ jobs:
   enforce:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Enforce mutual exclusivity
         uses: actions/github-script@v7
diff --git a/.github/workflows/squad-main-guard.yml b/.github/workflows/squad-main-guard.yml
index cc927f7..612dcc0 100644
--- a/.github/workflows/squad-main-guard.yml
+++ b/.github/workflows/squad-main-guard.yml
@@ -13,7 +13,7 @@ jobs:
   guard:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check for forbidden paths
         uses: actions/github-script@v7
diff --git a/.github/workflows/squad-preview.yml b/.github/workflows/squad-preview.yml
index a672e6d..77faff2 100644
--- a/.github/workflows/squad-preview.yml
+++ b/.github/workflows/squad-preview.yml
@@ -11,7 +11,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/squad-release.yml b/.github/workflows/squad-release.yml
index e4aa418..a4e72d6 100644
--- a/.github/workflows/squad-release.yml
+++ b/.github/workflows/squad-release.yml
@@ -11,7 +11,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/squad-triage.yml b/.github/workflows/squad-triage.yml
index 5d07dec..b3167da 100644
--- a/.github/workflows/squad-triage.yml
+++ b/.github/workflows/squad-triage.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.event.label.name == 'squad'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Triage issue via Lead agent
         uses: actions/github-script@v7
diff --git a/.github/workflows/sync-squad-labels.yml b/.github/workflows/sync-squad-labels.yml
index 419067a..4dfd160 100644
--- a/.github/workflows/sync-squad-labels.yml
+++ b/.github/workflows/sync-squad-labels.yml
@@ -14,7 +14,7 @@ jobs:
   sync-labels:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Parse roster and sync labels
         uses: actions/github-script@v7