diff --git a/data/old_grade.txt b/data/old_grade.txt
index b727025..c7986a3 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-773ddb4dc9d628c251c051a481d6fde3
\ No newline at end of file
+6ef49fae4dbb9fc4e29edc5a807c4869
\ No newline at end of file