diff --git a/data/old_grade.txt b/data/old_grade.txt
index fce5982..acc0551 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-dde007a01022a3ab839da69865a488e9
\ No newline at end of file
+dd58872970fcbdfdabdf7f16b42f2a2b
\ No newline at end of file