diff --git a/.github/workflows/reusable-lint.yml b/.github/workflows/reusable-lint.yml
index c1490712..4ebf8066 100644
--- a/.github/workflows/reusable-lint.yml
+++ b/.github/workflows/reusable-lint.yml
@@ -33,7 +33,7 @@ jobs:
         with:
           ref: ${{ inputs.ref }}
       - name: Run GitHub Actions linter
-        uses: docker://rhysd/actionlint:latest
+        uses: docker://rhysd/actionlint:latest@sha256:435ecdb63b1169e80ca3e136290072548c07fc4d76a044cf5541021712f8f344
         with:
           args: -color