diff --git a/.github/workflows/backtest.yml b/.github/workflows/backtest.yml
index fab2771..3ab07b0 100644
--- a/.github/workflows/backtest.yml
+++ b/.github/workflows/backtest.yml
@@ -20,7 +20,7 @@ jobs:
   backtest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
           python-version: '3.12'
diff --git a/.github/workflows/claims.yml b/.github/workflows/claims.yml
index 34499c8..df02d29 100644
--- a/.github/workflows/claims.yml
+++ b/.github/workflows/claims.yml
@@ -17,7 +17,7 @@ jobs:
     name: published numbers still reproduce
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
           python-version: '3.12'