diff --git a/composer.lock b/composer.lock
index 02b810bb630e2ee72e12293ad18439e646b7d49d..e78aeb599ccce0966cb86509fdbc686ef0bb0a05 100644
--- a/composer.lock
+++ b/composer.lock
@@ -288,20 +288,30 @@
         },
         {
             "name": "ezyang/htmlpurifier",
-            "version": "v4.14.0",
+            "version": "v4.16.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ezyang/htmlpurifier.git",
-                "reference": "12ab42bd6e742c70c0a52f7b82477fcd44e64b75"
+                "reference": "523407fb06eb9e5f3d59889b3978d5bfe94299c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/12ab42bd6e742c70c0a52f7b82477fcd44e64b75",
-                "reference": "12ab42bd6e742c70c0a52f7b82477fcd44e64b75",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/523407fb06eb9e5f3d59889b3978d5bfe94299c8",
+                "reference": "523407fb06eb9e5f3d59889b3978d5bfe94299c8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2"
+                "php": "~5.6.0 || ~7.0.0 || ~7.1.0 || ~7.2.0 || ~7.3.0 || ~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0"
+            },
+            "require-dev": {
+                "cerdic/css-tidy": "^1.7 || ^2.0",
+                "simpletest/simpletest": "dev-master"
+            },
+            "suggest": {
+                "cerdic/css-tidy": "If you want to use the filter 'Filter.ExtractStyleBlocks'.",
+                "ext-bcmath": "Used for unit conversion and imagecrash protection",
+                "ext-iconv": "Converts text to and from non-UTF-8 encodings",
+                "ext-tidy": "Used for pretty-printing HTML"
             },
             "type": "library",
             "autoload": {
@@ -333,9 +343,9 @@
             ],
             "support": {
                 "issues": "https://github.com/ezyang/htmlpurifier/issues",
-                "source": "https://github.com/ezyang/htmlpurifier/tree/v4.14.0"
+                "source": "https://github.com/ezyang/htmlpurifier/tree/v4.16.0"
             },
-            "time": "2021-12-25T01:21:49+00:00"
+            "time": "2022-09-18T07:06:19+00:00"
         },
         {
             "name": "fig/http-message-util",