diff --git a/.github/actions/fetch-vectors/action.yml b/.github/actions/fetch-vectors/action.yml
index a535b6fa1bf6..283fbdff897b 100644
--- a/.github/actions/fetch-vectors/action.yml
+++ b/.github/actions/fetch-vectors/action.yml
@@ -16,5 +16,5 @@ runs:
       with:
         repository: "C2SP/x509-limbo"
         path: "x509-limbo"
-        # Latest commit on the x509-limbo main branch, as of Oct 22, 2024.
-        ref: "f98aa03f45d108ae4e1bc5a61ec4bd0b8d137559" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Oct 28, 2024.
+        ref: "bb42ec9de1c78f1e8d903e73417002f45ed2f1fb" # x509-limbo-ref