diff --git a/code/MANIFEST.txt b/code/MANIFEST.txt
index 0b1bbc5..9bd6934 100644
--- a/code/MANIFEST.txt
+++ b/code/MANIFEST.txt
@@ -1,5 +1,5 @@
 # TradeAC custom-qlib-code snapshot (auto-generated)
-# parent repo HEAD : a4bfb930986d8c86edc547e0b5d50fed680bbd56
+# parent repo HEAD : 4971a9fe8331186bad869ae9edd1be7f64894ea8
 #   tac-qlib/tac_qlib/contrib
 #   tac-qlib/tac_qlib/data
 # per-file hashes (git hash-object):