diff --git a/data/old_grade.txt b/data/old_grade.txt
index e0e9223..6062fc3 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-977af72ca557afc7d70117f2650ed7ba
\ No newline at end of file
+d5360d96b34e8e2521af8183b32f948b
\ No newline at end of file