diff --git a/data/old_grade.txt b/data/old_grade.txt
index 0a0c709..c6f95fe 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-c0f8d6f0729286522bc525316627e1dc
\ No newline at end of file
+3a9053187c85379d208359c8e7786dd7
\ No newline at end of file