diff --git a/api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html b/api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html
index b86d547..9d54754 100644
--- a/api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html
+++ b/api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html
@@ -108,6 +108,12 @@
       </tr>
     </thead>
     <tbody>
+      <tr>
+        <td>
+          <a class="xref" href="Cysharp.Threading.Tasks.CancellationTokenExtensions.html#Cysharp_Threading_Tasks_CancellationTokenExtensions_AddTo_IDisposable_System_Threading_CancellationToken_">AddTo(IDisposable, CancellationToken)</a>
+        </td>
+        <td class="markdown level1 summary"></td>
+      </tr>
       <tr>
         <td>
           <a class="xref" href="Cysharp.Threading.Tasks.CancellationTokenExtensions.html#Cysharp_Threading_Tasks_CancellationTokenExtensions_RegisterWithoutCaptureExecutionContext_System_Threading_CancellationToken_Action_">RegisterWithoutCaptureExecutionContext(CancellationToken, Action)</a>
@@ -138,6 +144,45 @@
   <h3 id="methods">Methods
   </h3>
   <section>
+  <a id="Cysharp_Threading_Tasks_CancellationTokenExtensions_AddTo_" data-uid="Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo*"></a>
+  <h4 id="Cysharp_Threading_Tasks_CancellationTokenExtensions_AddTo_IDisposable_System_Threading_CancellationToken_" data-uid="Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo(IDisposable,System.Threading.CancellationToken)">AddTo(IDisposable, CancellationToken)</h4>
+  <div class="markdown level1 summary"></div>
+  <div class="markdown level1 conceptual"></div>
+  
+  <div class="codewrapper">
+    <pre><code class="lang-csharp hljs">public static CancellationTokenRegistration AddTo(this IDisposable disposable, CancellationToken cancellationToken)</code></pre>
+  </div>
+
+  <section>
+  <h5 class="parameters">Parameters</h5>
+  <dl class="cysharpdocfx-valuedefinition">
+    <dt><span class="parametername"><code>disposable</code></span> <span class="xref">IDisposable</span></dt>
+    <dd></dd>
+    <dt><span class="parametername"><code>cancellationToken</code></span> <span class="xref">System.Threading.CancellationToken</span></dt>
+    <dd></dd>
+  </dl>
+  </section>
+  
+  <section>
+  <h5 class="returns">Returns</h5>
+  <dl class="cysharpdocfx-valuedefinition">
+    <dt><span class="xref">System.Threading.CancellationTokenRegistration</span></dt>
+    <dd></dd>
+  </dl>
+  </section>
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  </section>
+  <section>
   <a id="Cysharp_Threading_Tasks_CancellationTokenExtensions_RegisterWithoutCaptureExecutionContext_" data-uid="Cysharp.Threading.Tasks.CancellationTokenExtensions.RegisterWithoutCaptureExecutionContext*"></a>
   <h4 id="Cysharp_Threading_Tasks_CancellationTokenExtensions_RegisterWithoutCaptureExecutionContext_System_Threading_CancellationToken_Action_" data-uid="Cysharp.Threading.Tasks.CancellationTokenExtensions.RegisterWithoutCaptureExecutionContext(System.Threading.CancellationToken,Action)">RegisterWithoutCaptureExecutionContext(CancellationToken, Action)</h4>
   <div class="markdown level1 summary"></div>
diff --git a/manifest.json b/manifest.json
index 4ac487a..1c53b66 100644
--- a/manifest.json
+++ b/manifest.json
@@ -141,7 +141,7 @@
       "output": {
         ".html": {
           "relative_path": "api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html",
-          "hash": "a3l9rPOlgQQyGrYCH+6Nig=="
+          "hash": "Uq/fzzdfZfujSc8Gds6p3Q=="
         }
       },
       "is_incremental": false,
diff --git a/xrefmap.yml b/xrefmap.yml
index 3df5fb5..2969ddd 100644
--- a/xrefmap.yml
+++ b/xrefmap.yml
@@ -1256,6 +1256,19 @@ references:
   commentId: T:Cysharp.Threading.Tasks.CancellationTokenExtensions
   fullName: Cysharp.Threading.Tasks.CancellationTokenExtensions
   nameWithType: CancellationTokenExtensions
+- uid: Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo(IDisposable,System.Threading.CancellationToken)
+  name: AddTo(IDisposable, CancellationToken)
+  href: api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html#Cysharp_Threading_Tasks_CancellationTokenExtensions_AddTo_IDisposable_System_Threading_CancellationToken_
+  commentId: M:Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo(IDisposable,System.Threading.CancellationToken)
+  fullName: Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo(IDisposable, System.Threading.CancellationToken)
+  nameWithType: CancellationTokenExtensions.AddTo(IDisposable, CancellationToken)
+- uid: Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo*
+  name: AddTo
+  href: api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html#Cysharp_Threading_Tasks_CancellationTokenExtensions_AddTo_
+  commentId: Overload:Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo
+  isSpec: "True"
+  fullName: Cysharp.Threading.Tasks.CancellationTokenExtensions.AddTo
+  nameWithType: CancellationTokenExtensions.AddTo
 - uid: Cysharp.Threading.Tasks.CancellationTokenExtensions.RegisterWithoutCaptureExecutionContext(System.Threading.CancellationToken,Action)
   name: RegisterWithoutCaptureExecutionContext(CancellationToken, Action)
   href: api/Cysharp.Threading.Tasks.CancellationTokenExtensions.html#Cysharp_Threading_Tasks_CancellationTokenExtensions_RegisterWithoutCaptureExecutionContext_System_Threading_CancellationToken_Action_