diff --git a/.github/actions/fetch-vectors/action.yml b/.github/actions/fetch-vectors/action.yml
index 04644f8d3..909af326e 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 Dec 17, 2024.
-        ref: "64b586f74bc6723b53e116556b1a4a6f962c7fd8" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Dec 24, 2024.
+        ref: "d5071c9e0f7297551ca644cac071c1284f301790" # x509-limbo-ref