diff --git a/changelog.html b/changelog.html
index 547183cb..2e7b9aa5 100644
--- a/changelog.html
+++ b/changelog.html
@@ -33,6 +33,10 @@ <h1 class="header">read.crx 2</h1>
       </header>
       <section>
         <h4><a href="index.html">&#x2190; Back to top</a></h4>
+        <h2 id="v2.11.0">v2.11.0 (2024-09-01)</h2>
+        <ul>
+          <li><a href="" target="_blank">Siki Guard</a>を利用したNGを行える機能を追加（設定 → NG → その他 → Siki Guardを利用する）</li>
+        </ul>
         <h2 id="v2.10.8">v2.10.8 (2024-07-27)</h2>
         <ul>
           <li>open2chのBBSMenuがcloudflareのDDoS対策で取得できないためデフォルトコメントアウトに変更</li>
diff --git a/read.crx_2.2.10.8.crx b/read.crx_2.2.10.8.crx
deleted file mode 100644
index f357df52..00000000
Binary files a/read.crx_2.2.10.8.crx and /dev/null differ
diff --git a/read.crx_2.2.11.0.crx b/read.crx_2.2.11.0.crx
new file mode 100644
index 00000000..f20a7b6a
Binary files /dev/null and b/read.crx_2.2.11.0.crx differ
diff --git a/readcrx_2-2.10.8-an+fx.xpi b/readcrx_2-2.10.8-an+fx.xpi
deleted file mode 100644
index e00d4033..00000000
Binary files a/readcrx_2-2.10.8-an+fx.xpi and /dev/null differ
diff --git a/readcrx_2-2.11.0-an+fx.xpi b/readcrx_2-2.11.0-an+fx.xpi
new file mode 100644
index 00000000..bbd15fda
Binary files /dev/null and b/readcrx_2-2.11.0-an+fx.xpi differ
diff --git a/updates.xml b/updates.xml
index ae608ff0..e04d93ae 100644
--- a/updates.xml
+++ b/updates.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
   <app appid='eaibgccboimjelecbmgfjhakekfdcpeh'>
-    <updatecheck codebase='https://readcrx-2.github.io/read.crx-2/read.crx_2.2.10.8.crx' version='2.10.8' />
+    <updatecheck codebase='https://readcrx-2.github.io/read.crx-2/read.crx_2.2.11.0.crx' version='2.11.0' />
   </app>
   <app appid='mglmonflpdcckjdpjnpenfdmkbmggmgm'>
     <updatecheck codebase='https://readcrx-2.github.io/read.crx-2/read.crx_2.0.94.9.2.crx' version='0.94.9.2' />
diff --git a/updates_firefox.json b/updates_firefox.json
index 709f9df1..f14e150f 100644
--- a/updates_firefox.json
+++ b/updates_firefox.json
@@ -3,8 +3,8 @@
     "read.crx2@read.crx": {
       "updates": [
         {
-          "version": "2.10.8",
-          "update_link": "https://readcrx-2.github.io/read.crx-2/readcrx_2-2.10.8-an+fx.xpi"
+          "version": "2.11.0",
+          "update_link": "https://readcrx-2.github.io/read.crx-2/readcrx_2-2.11.0-an+fx.xpi"
         }
       ]
     }