diff --git a/README.md b/README.md
index 023218d..18cc336 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 
 ### Badge
 
-[![Codacy Badge](https://app.codacy.com/project/badge/Grade/2593df58cd2a4c269c4be753b93307cd)](https://www.codacy.com/gh/ishi720/collatz_visualization/dashboard?utm_source=github.com&utm_medium=referral&utm_content=ishi720/collatz_visualization&utm_campaign=Badge_Grade)
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/2593df58cd2a4c269c4be753b93307cd)](https://app.codacy.com/gh/ishi720/collatz_visualization/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 
 
 ### セットアップ