diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ece7d52..fe1a08b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/gemma-smoke.yml b/.github/workflows/gemma-smoke.yml
index 6fda523..f960e3c 100644
--- a/.github/workflows/gemma-smoke.yml
+++ b/.github/workflows/gemma-smoke.yml
@@ -34,7 +34,7 @@ jobs:
     # A local model on a CPU runner is slow; give generous headroom.
     timeout-minutes: 50
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/threat-delta.yml b/.github/workflows/threat-delta.yml
index 9463ac7..4977ec8 100644
--- a/.github/workflows/threat-delta.yml
+++ b/.github/workflows/threat-delta.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true # advisory: never block the merge
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0 # needed so the action can compute the PR diff