diff --git a/.github/workflows/l10n.yml b/.github/workflows/l10n.yml
index 09765d57..0334d5bb 100644
--- a/.github/workflows/l10n.yml
+++ b/.github/workflows/l10n.yml
@@ -16,7 +16,7 @@ jobs:
     # Observed fleet-wide n=225: median 0.1 min, max 1.2 min. Bound loosely at 15.
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: "22"
diff --git a/.github/workflows/merge-hygiene.yml b/.github/workflows/merge-hygiene.yml
index 4852cee5..14e7e209 100644
--- a/.github/workflows/merge-hygiene.yml
+++ b/.github/workflows/merge-hygiene.yml
@@ -33,7 +33,7 @@ jobs:
     name: Conflict markers and PHP syntax
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # Conflict markers, anywhere in the tree we author. A marker means a merge
       # was committed half-finished; every downstream signal from that commit is