diff --git a/class/class.conv_protection_txt.php b/class/class.conv_protection_txt.php
index 6d2f065..4600365 100644
--- a/class/class.conv_protection_txt.php
+++ b/class/class.conv_protection_txt.php
@@ -27,7 +27,7 @@ if ( ! class_exists( 'conv_protection_txt' ) ) {
 		}
 
 		public function show_text_option_page() {
-			$update_option = filter_input( INPUT_POST, 'conv_protection_options', FILTER_SANITIZE_STRING, FILTER_REQUIRE_ARRAY );
+			$update_option = filter_input( INPUT_POST, 'conv_protection_options', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
 			if ( ! empty( $update_option ) ) {
 				check_admin_referer( 'conv_options' );
 				update_option( 'conv_protection_options', $update_option );
diff --git a/convert-protection-text.php b/convert-protection-text.php
index 73fb019..a53d040 100644
--- a/convert-protection-text.php
+++ b/convert-protection-text.php
@@ -5,7 +5,7 @@ Plugin URI:  https://develop.n-k-y.net/wordpress/convert-protection-text
 Author: NBK45
 Author URI: https://develop.n-k-y.net
 Description: Convert Protection Text はWordPressで記事（ページ）の公開状態を限定公開（「パスワード保護」）にしたときのテキストをカスタマイズするプラグインです。
-Version: 1.0.1
+Version: 1.0.2
 License: GPLv2
 */
 
diff --git a/readme.txt b/readme.txt
index 6e6be91..11dd615 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,10 +1,10 @@
 === Convert Protection Text ===
 Contributors: NBK45
 Tags: password protected
-Requires at least: 4.9
-Tested up to: 6.7
-Requires PHP: 7.4
-Stable tag: 1.0.1
+Requires at least: 6.7
+Tested up to: 6.9
+Requires PHP: 8.3
+Stable tag: 1.0.2
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -52,6 +52,10 @@ screenshot-2.png
 screenshot-3.png
 
 == Changelog ==
+= 1.0.2 =
+・WordPress6.9動作確認
+・PHP8.3対応修正
+
 = 1.0.1 =
 初回リリース