diff --git a/.github/actions/fetch-vectors/action.yml b/.github/actions/fetch-vectors/action.yml
index fa8a07b82231..06864eb41077 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 Sep 11, 2024.
-        ref: "c9d011c6b696074a5a636c7cd40df8e4bd3cd67b" # x509-limbo-ref
+        # Latest commit on the x509-limbo main branch, as of Sep 17, 2024.
+        ref: "2ea77402d8ef7fbf8765c135f658f311e917ebf7" # x509-limbo-ref