diff --git a/composer.json b/composer.json
index cae0818..df80c7f 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
   "description": "X-Ray returns structured data from any URL",
   "require": {
     "mf2/mf2": "^0.3.2",
-    "ezyang/htmlpurifier": "4.*",
+    "ezyang/htmlpurifier": "dev-master#6d6d88512a8146939a9161bb03e95e3e97840439@dev",
     "indieweb/link-rel-parser": "0.1.*",
     "dg/twitter-php": "3.6.*",
     "p3k/timezone": "*",
@@ -38,5 +38,19 @@
       "controllers/Feeds.php",
       "controllers/Certbot.php"
     ]
-  }
+  },
+  "repositories": [
+    {
+      "type": "package",
+      "package": {
+        "name": "ezyang/htmlpurifier",
+        "version": "master",
+        "source": {
+          "url": "https://github.com/ezyang/htmlpurifier",
+          "type": "git",
+          "reference": "origin/master"
+        }
+      }
+    }
+  ]
 }
diff --git a/composer.lock b/composer.lock
index 5096919..7b9ad7c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "ee0b0e99a5aeee6e95f5d642f438cde2",
+    "content-hash": "3dc6167e982e6e21e4726ba5c5973952",
     "packages": [
         {
             "name": "cebe/markdown",
@@ -110,50 +110,14 @@
         },
         {
             "name": "ezyang/htmlpurifier",
-            "version": "v4.9.3",
+            "version": "master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/ezyang/htmlpurifier.git",
-                "reference": "95e1bae3182efc0f3422896a3236e991049dac69"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/95e1bae3182efc0f3422896a3236e991049dac69",
-                "reference": "95e1bae3182efc0f3422896a3236e991049dac69",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.2"
-            },
-            "require-dev": {
-                "simpletest/simpletest": "^1.1"
+                "url": "https://github.com/ezyang/htmlpurifier",
+                "reference": "origin/master"
             },
             "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "HTMLPurifier": "library/"
-                },
-                "files": [
-                    "library/HTMLPurifier.composer.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "LGPL"
-            ],
-            "authors": [
-                {
-                    "name": "Edward Z. Yang",
-                    "email": "admin@htmlpurifier.org",
-                    "homepage": "http://ezyang.com"
-                }
-            ],
-            "description": "Standards compliant HTML filter written in PHP",
-            "homepage": "http://htmlpurifier.org/",
-            "keywords": [
-                "html"
-            ],
-            "time": "2017-06-03T02:28:16+00:00"
+            "time": "2017-12-30T05:23:44+00:00"
         },
         {
             "name": "facebook/graph-sdk",
@@ -2089,7 +2053,9 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "ezyang/htmlpurifier": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],