diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 5c50e4b..a965570 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -15,7 +15,7 @@ jobs:
   suite:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Unit suite
         run: docker build --target test .
       - name: Live iya-sts
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d020733..3035f48 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -57,7 +57,7 @@ jobs:
           fi
 
       # Every tag: the last release's tag is what the decision compares with.
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         if: steps.gate.outputs.publish == 'true'
         with:
           ref: ${{ github.event.workflow_run.head_sha }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3525a9c..98a7dc0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,5 +15,5 @@ jobs:
     name: Library tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - run: docker build --target test .