diff --git a/README.md b/README.md
index a583575..b094e47 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ This plugin was developed based on  notify_custom_users plugin.
 https://github.com/Restream/notify_custom_users
 
 ## Screen Images
-Here are the images used with checkbox_checkall plugin.  https://github.com/preciousplum/checkbox_checkall
+Here are the images used with customfield_checkbox_utility plugin.  https://github.com/preciousplum/customfield_checkbox_utility
 
 ![Custom Field Setting](assets/images/custom_field_setting.png)  
 ![Edit Issue](assets/images/edit_issue.png)  
diff --git a/README_Ja.md b/README_Ja.md
index 17a9be6..30e7c25 100644
--- a/README_Ja.md
+++ b/README_Ja.md
@@ -35,8 +35,8 @@
 https://github.com/Restream/notify_custom_users
 
 ## 画面イメージ
-checkbox_checkallプラグインとともに使用した画面イメージです。
-https://github.com/preciousplum/checkbox_checkall
+customfield_checkbox_utilityプラグインとともに使用した画面イメージです。
+https://github.com/preciousplum/customfield_checkbox_utility
 
 ![カスタムフィールド設定](assets/images/custom_field_setting.png)  
 ![チケット編集](assets/images/edit_issue.png)