diff --git a/.github/actions/fetch-vectors/action.yml b/.github/actions/fetch-vectors/action.yml
index a9f7672da..4688a928f 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 Nov 12, 2024.
-        ref: "61b7116dbc4da30cceee56c7905a9a322f31b9e4" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Nov 13, 2024.
+        ref: "b2521cdc61d11e290e398e7bb549992662e391b8" # x509-limbo-ref