diff --git a/.github/workflows/caller-pins.yml b/.github/workflows/caller-pins.yml
index 634e337..01ef96e 100644
--- a/.github/workflows/caller-pins.yml
+++ b/.github/workflows/caller-pins.yml
@@ -65,7 +65,7 @@ jobs:
   census:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           # Ancestry is the whole check — `git merge-base --is-ancestor` needs the
diff --git a/.github/workflows/env-check-drift.yml b/.github/workflows/env-check-drift.yml
index 7bd3bd5..77419b5 100644
--- a/.github/workflows/env-check-drift.yml
+++ b/.github/workflows/env-check-drift.yml
@@ -50,7 +50,7 @@ jobs:
     steps:
       # Same pin as osv-scan.yml, so there is one checkout SHA to bump in this repo
       # rather than two.
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/env-record.yml b/.github/workflows/env-record.yml
index e947c8a..9e02d6b 100644
--- a/.github/workflows/env-record.yml
+++ b/.github/workflows/env-record.yml
@@ -67,7 +67,7 @@ jobs:
     runs-on: ${{ inputs.runs-on }}
     steps:
       # Same pin as the org's other lanes, so there is one checkout SHA to bump.
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/osv-scan.yml b/.github/workflows/osv-scan.yml
index b47b18a..6ca1cac 100644
--- a/.github/workflows/osv-scan.yml
+++ b/.github/workflows/osv-scan.yml
@@ -67,7 +67,7 @@ jobs:
     steps:
       # Same pin as the org's .github/repo-standard.yml and required-baseline.yml, so
       # there is one checkout SHA to bump across the org rather than two.
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ inputs.ref }}
           persist-credentials: false
diff --git a/.github/workflows/release-tag.yml b/.github/workflows/release-tag.yml
index 0c18833..b380612 100644
--- a/.github/workflows/release-tag.yml
+++ b/.github/workflows/release-tag.yml
@@ -63,7 +63,7 @@ jobs:
   tag:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Tags need history to enumerate; persist-credentials stays ON here,
           # deliberately unlike every other lane in this repo — the push below
diff --git a/.github/workflows/self-test.yml b/.github/workflows/self-test.yml
index 9e4bd07..0384411 100644
--- a/.github/workflows/self-test.yml
+++ b/.github/workflows/self-test.yml
@@ -54,7 +54,7 @@ jobs:
   env-check-digest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: CANONICAL_SHA256 in env-check-drift.yml matches tools/cloud-env-check.mjs
@@ -69,7 +69,7 @@ jobs:
   env-record:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: env-record accepts consistent records and rejects stale ones
@@ -85,7 +85,7 @@ jobs:
   verify-domains:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: verify-domains reconciles observation against expectation, both directions
@@ -112,7 +112,7 @@ jobs:
   template-pins:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
           fetch-depth: 0
@@ -156,7 +156,7 @@ jobs:
   converter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Converter unit + golden tests (byte-equality)