diff --git a/data/old_grade.txt b/data/old_grade.txt
index feac0ba..37b48d1 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-a7b5e49777793dbab6feba58e58b7466
\ No newline at end of file
+80f2c80b4dcb7e34e098d8796e4e85c0
\ No newline at end of file