diff --git a/docs/index.html b/docs/index.html
index 7eec09c..5f82a54 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -545,6 +545,34 @@ <h1>GitHub Feature Support Table</h1>
             <td data-supported="true"><div>34+</div></td>
             <td data-supported="true"><div>5.0+</div></td>
           </tr>
+          <tr>
+            <th>
+              <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/popover">
+                <code>HTMLElement.popover</code>
+              </a>
+            </th>
+            <td data-polyfill="popover"><div>*</div></td>
+            <td data-supported="true"><div>114+</div></td>
+            <td data-supported="true"><div>114+</div></td>
+            <td data-supported="true"><div>125+</div></td>
+            <td data-supported="true"><div>17+</div></td>
+            <td data-supported="true"><div>100+</div></td>
+            <td data-supported="true"><div>23.0+</div></td>
+          </tr>
+          <tr>
+            <th>
+              <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/popover">
+                <code>HTMLElement.popover = 'hint'</code>
+              </a>
+            </th>
+            <td data-polyfill="popover"><div>*</div></td>
+            <td data-supported="true"><div>114+</div></td>
+            <td data-supported="true"><div>114+</div></td>
+            <td data-supported="true"><div>125+</div></td>
+            <td data-supported="true"><div>17+</div></td>
+            <td data-supported="true"><div>+</div></td>
+            <td data-supported="true"><div>12.0+</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 75bf520..19c8e7d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,9 @@
             "name": "@github/browser-support",
             "version": "1.2.2",
             "license": "MIT",
+            "dependencies": {
+                "@oddbird/popover-polyfill": "^0.5.2"
+            },
             "devDependencies": {
                 "@github/prettier-config": "^0.0.6",
                 "@types/node": "^20.5.7",
@@ -671,6 +674,12 @@
                 "node": ">= 8"
             }
         },
+        "node_modules/@oddbird/popover-polyfill": {
+            "version": "0.5.2",
+            "resolved": "https://registry.npmjs.org/@oddbird/popover-polyfill/-/popover-polyfill-0.5.2.tgz",
+            "integrity": "sha512-iFrvar5SOMtKFOSjYvs4z9UlLqDdJbMx0mgISLcPedv+g0ac5sgeETLGtipHCVIae6HJPclNEH5aCyD1RZaEHw==",
+            "license": "BSD-3-Clause"
+        },
         "node_modules/@pkgr/utils": {
             "version": "2.4.2",
             "resolved": "https://registry.npmjs.org/@pkgr/utils/-/utils-2.4.2.tgz",
diff --git a/package.json b/package.json
index ab428b2..92898b7 100644
--- a/package.json
+++ b/package.json
@@ -44,5 +44,8 @@
         "eslint-plugin-github": "^4.10.0",
         "tslib": "^2.6.2",
         "typescript": "^5.2.2"
+    },
+    "dependencies": {
+        "@oddbird/popover-polyfill": "^0.5.2"
     }
 }
diff --git a/src/index.ts b/src/index.ts
index 4c14a1a..30a6c11 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import * as elementCheckVisibility from './element-checkvisibility.js'
 import * as navigatorClipboard from './navigator-clipboard.js'
 import * as withResolvers from './promise-withResolvers.js'
 import * as requestIdleCallback from './requestidlecallback.js'
+import * as popover from '@oddbird/popover-polyfill/fn'
 
 let supportsModalPseudo = false
 try {
@@ -49,6 +50,7 @@ export const polyfills = {
   navigatorClipboard,
   requestIdleCallback,
   withResolvers,
+  popover,
 }
 
 export function isSupported() {