diff --git a/db/migrate/20190803022733_add_exec_time_to_evaluate_records.rb b/db/migrate/20190803022733_add_exec_time_to_evaluate_records.rb
new file mode 100644
index 00000000..0b054e3c
--- /dev/null
+++ b/db/migrate/20190803022733_add_exec_time_to_evaluate_records.rb
@@ -0,0 +1,5 @@
+class AddExecTimeToEvaluateRecords < ActiveRecord::Migration
+  def change
+    add_column :evaluate_records, :exec_time, :integer
+  end
+end