diff --git a/code/MANIFEST.txt b/code/MANIFEST.txt
index 44b700f..dd170b5 100644
--- a/code/MANIFEST.txt
+++ b/code/MANIFEST.txt
@@ -1,5 +1,5 @@
 # TradeAC custom-qlib-code snapshot (auto-generated)
-# parent repo HEAD : f4ed5e42fe56a02ad3961f016f11c2ad8f0f355a
+# parent repo HEAD : f4f6e9291b1bdc69373d06710aa5f9aa396e900c
 #   tac-qlib/tac_qlib/contrib
 #   tac-qlib/tac_qlib/data
 # per-file hashes (git hash-object):