diff --git a/.github/workflows/workflow-sanity.yml b/.github/workflows/workflow-sanity.yml
index e1a16fe977e..d852d50cd8e 100644
--- a/.github/workflows/workflow-sanity.yml
+++ b/.github/workflows/workflow-sanity.yml
@@ -60,8 +60,11 @@ jobs:
           ACTIONLINT_VERSION="1.7.11"
           archive="actionlint_${ACTIONLINT_VERSION}_linux_amd64.tar.gz"
           base_url="https://github.com/rhysd/actionlint/releases/download/v${ACTIONLINT_VERSION}"
-          curl -sSfL -o "${archive}" "${base_url}/${archive}"
-          curl -sSfL -o checksums.txt "${base_url}/actionlint_${ACTIONLINT_VERSION}_checksums.txt"
+          # GitHub release downloads occasionally return transient 5xx responses.
+          # Retry all curl errors here so workflow-sanity does not fail closed on
+          # a one-off release edge outage.
+          curl --retry 5 --retry-delay 2 --retry-all-errors -sSfL -o "${archive}" "${base_url}/${archive}"
+          curl --retry 5 --retry-delay 2 --retry-all-errors -sSfL -o checksums.txt "${base_url}/actionlint_${ACTIONLINT_VERSION}_checksums.txt"
           grep " ${archive}\$" checksums.txt | sha256sum -c -
           tar -xzf "${archive}" actionlint
           sudo install -m 0755 actionlint /usr/local/bin/actionlint