diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
index 6df5e18009fa..575d38d82d36 100644
--- a/.github/workflows/backport.yml
+++ b/.github/workflows/backport.yml
@@ -36,7 +36,7 @@ jobs:
           permission-pull-requests: write
           permission-workflows: write
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           # Avoid materializing full nixpkgs tree
diff --git a/.github/workflows/bot.yml b/.github/workflows/bot.yml
index 3e404d89c8c2..771705428cc2 100644
--- a/.github/workflows/bot.yml
+++ b/.github/workflows/bot.yml
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-slim
     if: github.event_name != 'schedule' || github.repository_owner == 'NixOS'
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout: |
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 84c34887b7f3..6e0547de265a 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-slim
     timeout-minutes: 3
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: trusted
@@ -101,7 +101,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: trusted
@@ -147,7 +147,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: trusted
diff --git a/.github/workflows/comment.yml b/.github/workflows/comment.yml
index ab56a3608d0f..fd8073acbffa 100644
--- a/.github/workflows/comment.yml
+++ b/.github/workflows/comment.yml
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 2
     if: contains(github.event.comment.body, '@NixOS/nixpkgs-merge-bot merge')
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout: |
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index f971aa0229da..29c940accfd0 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -50,7 +50,7 @@ jobs:
       ciPinBumpCommit: ${{ steps.find-pinned-commit.outputs.ciPinBumpCommit }}
       ciPinBumpCommitShort: ${{ steps.find-pinned-commit.outputs.ciPinBumpCommitShort }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           path: trusted
@@ -58,7 +58,7 @@ jobs:
             ci/supportedVersions.nix
 
       - name: Check out the PR at the test merge commit
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           ref: ${{ inputs.mergedSha }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 11bf76a7dbd6..f0ee0050870a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: true # Needed to run git fetch for large PRs.
           path: trusted
diff --git a/.github/workflows/merge-group.yml b/.github/workflows/merge-group.yml
index e2ef4e77fe9c..cfb2968f0954 100644
--- a/.github/workflows/merge-group.yml
+++ b/.github/workflows/merge-group.yml
@@ -25,7 +25,7 @@ jobs:
       targetSha: ${{ steps.prepare.outputs.targetSha }}
       systems: ${{ steps.prepare.outputs.systems }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout: |
diff --git a/.github/workflows/periodic-merge.yml b/.github/workflows/periodic-merge.yml
index d84de7d4b26a..64616cc036c0 100644
--- a/.github/workflows/periodic-merge.yml
+++ b/.github/workflows/periodic-merge.yml
@@ -34,7 +34,7 @@ jobs:
           permission-contents: write
           permission-issues: write
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/pull-request-target.yml b/.github/workflows/pull-request-target.yml
index 98d463cb588d..0bed3b6ce7d6 100644
--- a/.github/workflows/pull-request-target.yml
+++ b/.github/workflows/pull-request-target.yml
@@ -36,7 +36,7 @@ jobs:
       systems: ${{ steps.prepare.outputs.systems }}
       touched: ${{ steps.prepare.outputs.touched }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout-cone-mode: true # default, for clarity
diff --git a/.github/workflows/review.yml b/.github/workflows/review.yml
index 9e5d32e81315..d6ec66453d98 100644
--- a/.github/workflows/review.yml
+++ b/.github/workflows/review.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-slim
     timeout-minutes: 2
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout: |
diff --git a/.github/workflows/teams.yml b/.github/workflows/teams.yml
index 5e8e20497b7f..cbd3eaf110be 100644
--- a/.github/workflows/teams.yml
+++ b/.github/workflows/teams.yml
@@ -30,7 +30,7 @@ jobs:
           permission-pull-requests: write
 
       - name: Fetch source
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f5a6c1bfcec4..a66bdace4061 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
       push: ${{ steps.files.outputs.push }}
       targetSha: ${{ steps.prepare.outputs.targetSha }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
           sparse-checkout-cone-mode: true # default, for clarity