diff --git a/shonaiben_translator.rb b/shonaiben_translator.rb
old mode 100644
new mode 100755
index 18ce909..b7eb425
--- a/shonaiben_translator.rb
+++ b/shonaiben_translator.rb
@@ -41,4 +41,4 @@
     printf("編集距離が正解訳文への距離以下である文章の総数: %d\n", count_same_or_lower)
     puts
     i += 1
-end
\ No newline at end of file
+end