diff --git a/composer.lock b/composer.lock
index 1eb40a1..855620e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
-            "version": "v4.11.0",
+            "version": "v4.13.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ezyang/htmlpurifier.git",
-                "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7"
+                "reference": "08e27c97e4c6ed02f37c5b2b20488046c8d90d75"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
-                "reference": "83ab08bc1af7d808a9e0fbf024f1c24bfd73c0a7",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/08e27c97e4c6ed02f37c5b2b20488046c8d90d75",
+                "reference": "08e27c97e4c6ed02f37c5b2b20488046c8d90d75",
                 "shasum": ""
             },
             "require": {
@@ -33,6 +33,9 @@
                 },
                 "files": [
                     "library/HTMLPurifier.composer.php"
+                ],
+                "exclude-from-classmap": [
+                    "/library/HTMLPurifier/Language/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -51,7 +54,7 @@
             "keywords": [
                 "html"
             ],
-            "time": "2019-07-14T18:58:38+00:00"
+            "time": "2020-06-29T00:56:53+00:00"
         },
         {
             "name": "fightbulc/moment",
@@ -86,8 +89,8 @@
             "authors": [
                 {
                     "name": "Tino Ehrich",
-                    "role": "developer",
-                    "email": "tino@bigpun.me"
+                    "email": "tino@bigpun.me",
+                    "role": "developer"
                 }
             ],
             "description": "Parse, validate, manipulate, and display dates in PHP w/ i18n support. Inspired by moment.js",
@@ -211,5 +214,6 @@
     "platform": {
         "php": "^7.2"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }