diff --git a/CHANGELOG b/CHANGELOG
index 4b10d7e..e7db019 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+0.5.1
+-----
+2024-08-30
+
+- Fix clipboard alert message.
+
+
 0.5.0
 -----
 2024-08-30
diff --git a/assets/js/front.js b/assets/js/front.js
index 69882d7..901e018 100644
--- a/assets/js/front.js
+++ b/assets/js/front.js
@@ -40,7 +40,7 @@
             if (s.permalink && s.permalink.length) {
                 if ('undefined' !== typeof navigator.clipboard) {
                     navigator.clipboard.writeText(s.permalink).then(function () {
-                        alert(opts.textCopiedToClipboard + ' new');
+                        alert(opts.textCopiedToClipboard);
                     }, function (err) {
                         console.error(opts.textClipboardApiError, err);
                     });
@@ -53,7 +53,7 @@
                     input.setSelectionRange(0, s.permalink.length);
                     document.execCommand('copy');
                     input.remove();
-                    alert(opts.textCopiedToClipboard + ' old');
+                    alert(opts.textCopiedToClipboard);
                 }
             } else {
                 console.log(opts.textPermalinkIsEmpty);
diff --git a/composer.json b/composer.json
index a1ff681..ee5c1f8 100644
--- a/composer.json
+++ b/composer.json
@@ -55,7 +55,7 @@
     "php": "^7.4",
     "ext-json": "*"
   },
-  "version": "0.5.0",
+  "version": "0.5.1",
   "require-dev": {
     "phpunit/phpunit": "^7"
   },
diff --git a/index.php b/index.php
index b7f3992..bd1a418 100644
--- a/index.php
+++ b/index.php
@@ -3,7 +3,7 @@
  * Plugin Name:       Naran Social Share
  * Plugin URI:        https://github.com/chwnam/naran-social-share
  * Description:       Share your posts to social media, and so on.
- * Version:           0.5.0
+ * Version:           0.5.1
  * Requires at least: 4.4.0
  * Requires PHP:      7.4
  * Author:            changwoo
@@ -23,7 +23,7 @@
 require_once __DIR__ . '/vendor/autoload.php';
 
 const NSS_MAIN_FILE = __FILE__;
-const NSS_VERSION   = '0.5.0';
+const NSS_VERSION   = '0.5.1';
 const NSS_PRIORITY = 885;
 
 nss();