diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 882082e..4aab90e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,6 +9,6 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
     - uses: cachix/install-nix-action@91a071959513ca103b54280ac0bef5b825791d4d # v31
     - run: ./ci.sh