diff --git a/docs/index.html b/docs/index.html
index 877ebf9..836f76b 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -587,6 +587,20 @@ <h1>GitHub Feature Support Table</h1>
             <td data-supported="true"><div>117+</div></td>
             <td data-supported="true"><div>*</div></td>
           </tr>
+          <tr>
+            <th>
+              <a href="https://developer.mozilla.org/en-US/docs/Web/API/Invoker_Commands_API">
+                <code>command & commandfor</code>
+              </a>
+            </th>
+            <td data-polyfill="commandAndCommandFor"><div>*</div></td>
+            <td data-supported="true"><div>135+</div></td>
+            <td data-supported="false"><div>*</div></td>
+            <td data-supported="false"><div>*</div></td>
+            <td data-supported="false"><div>*</div></td>
+            <td data-supported="false"><div>*</div></td>
+            <td data-supported="false"><div>*</div></td>
+          </tr>
           <tr>
             <th></th>
             <th colspan="7"><h3>Native Syntax</h3></th>
diff --git a/package-lock.json b/package-lock.json
index c266553..be81201 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,8 @@
             "license": "MIT",
             "dependencies": {
                 "@oddbird/popover-polyfill": "^0.5.2",
-                "dialog-toggle-events-polyfill": "^1.1.2"
+                "dialog-toggle-events-polyfill": "^1.1.2",
+                "invokers-polyfill": "^0.5.2"
             },
             "devDependencies": {
                 "@github/prettier-config": "^0.0.6",
@@ -4877,6 +4878,12 @@
                 "node": ">= 0.4"
             }
         },
+        "node_modules/invokers-polyfill": {
+            "version": "0.5.2",
+            "resolved": "https://registry.npmjs.org/invokers-polyfill/-/invokers-polyfill-0.5.2.tgz",
+            "integrity": "sha512-s4lbErodTZDOt4o54a6ljdHgxwnvEchgJxqI7Epx0H9ylCr+vbGVid7WeHkfU5k7CMgG5rzRIMuI+PclqhdXuA==",
+            "license": "MIT"
+        },
         "node_modules/ip-address": {
             "version": "9.0.5",
             "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-9.0.5.tgz",
diff --git a/package.json b/package.json
index e7e38f1..074a266 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     },
     "dependencies": {
         "@oddbird/popover-polyfill": "^0.5.2",
-        "dialog-toggle-events-polyfill": "^1.1.2"
+        "dialog-toggle-events-polyfill": "^1.1.2",
+        "invokers-polyfill": "^0.5.2"
     }
 }
diff --git a/src/index.ts b/src/index.ts
index a569f3a..fbd9b1e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,6 +5,7 @@ import * as withResolvers from './promise-withResolvers.js'
 import * as requestIdleCallback from './requestidlecallback.js'
 import * as popover from '@oddbird/popover-polyfill/fn'
 import * as dialogToggleEvents from 'dialog-toggle-events-polyfill/fn'
+import * as commandAndCommandFor from 'invokers-polyfill/fn'
 
 let supportsModalPseudo = false
 try {
@@ -53,6 +54,7 @@ export const polyfills = {
   withResolvers,
   popover,
   dialogToggleEvents,
+  commandAndCommandFor,
 }
 
 export function isSupported() {