diff --git a/lib/composer.json b/lib/composer.json
index b7a466bc0f..bfb0554b5e 100644
--- a/lib/composer.json
+++ b/lib/composer.json
@@ -35,9 +35,17 @@
     },
     "extra": {
         "patches": {
+            "erusev/parsedown": {
+                "Add namespace to Parsedown class": "patches/parsedown-add-namespace.patch"
+            },
             "gorhill/php-fine-diff": {
                 "Fix class reference to work with namespaces": "patches/finediff-fix-class-reference.patch"
             }
         }
+    },
+    "autoload": {
+        "psr-4": {
+            "Vendor\\Parsedown\\": "vendor/erusev/parsedown/"
+        }
     }
 }
diff --git a/lib/composer.lock b/lib/composer.lock
index e176127db5..f4881ed84b 100644
--- a/lib/composer.lock
+++ b/lib/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2fa0dc942e82ae977b4bf8054f8d603c",
+    "content-hash": "062e871a7ba56633ed9dffe989091156",
     "packages": [
         {
             "name": "box/spout",
diff --git a/lib/parsedown/parsedown.class.php b/lib/parsedown/parsedown.class.php
index f954e67bd7..c2cb48ea4a 100644
--- a/lib/parsedown/parsedown.class.php
+++ b/lib/parsedown/parsedown.class.php
@@ -3,7 +3,7 @@ require_once dirname(__FILE__, 2) . '/base/delegate/delegate.class.php';
 
 class parsedown extends baseDelegate
 {
-    protected static $className = 'Parsedown';
+    protected static $className = 'Vendor\Parsedown\Parsedown';
 
     public function __construct()
     {
diff --git a/lib/patches/parsedown-add-namespace.patch b/lib/patches/parsedown-add-namespace.patch
new file mode 100644
index 0000000000..03754bfc8c
--- /dev/null
+++ b/lib/patches/parsedown-add-namespace.patch
@@ -0,0 +1,8 @@
+--- a/vendor/erusev/parsedown/Parsedown.php
++++ b/vendor/erusev/parsedown/Parsedown.php
+@@ -1,4 +1,5 @@
+ <?php
++namespace Vendor\Parsedown;
+
+ #
+ #
diff --git a/lib/vendor/composer/autoload_psr4.php b/lib/vendor/composer/autoload_psr4.php
index adede39bb8..2daf1affa0 100644
--- a/lib/vendor/composer/autoload_psr4.php
+++ b/lib/vendor/composer/autoload_psr4.php
@@ -9,6 +9,7 @@ return array(
     'phpseclib3\\' => array($vendorDir . '/phpseclib/phpseclib/phpseclib'),
     'cweagans\\Composer\\' => array($vendorDir . '/cweagans/composer-patches/src'),
     'WpOrg\\Requests\\' => array($vendorDir . '/rmccue/requests/src'),
+    'Vendor\\Parsedown\\' => array($vendorDir . '/erusev/parsedown'),
     'Symfony\\Component\\Finder\\' => array($vendorDir . '/symfony/finder'),
     'Psr\\SimpleCache\\' => array($vendorDir . '/psr/simple-cache/src'),
     'PhpOffice\\PhpWord\\' => array($vendorDir . '/phpoffice/phpword/src/PhpWord'),
diff --git a/lib/vendor/composer/autoload_static.php b/lib/vendor/composer/autoload_static.php
index 98f378ce2d..4c5050cea4 100644
--- a/lib/vendor/composer/autoload_static.php
+++ b/lib/vendor/composer/autoload_static.php
@@ -86,6 +86,10 @@ class ComposerStaticIniteb70fe9ec81c9f50588dedfb7a386792
         array (
             'WpOrg\\Requests\\' => 15,
         ),
+        'V' => 
+        array (
+            'Vendor\\Parsedown\\' => 17,
+        ),
         'S' => 
         array (
             'Symfony\\Component\\Finder\\' => 25,
@@ -140,6 +144,10 @@ class ComposerStaticIniteb70fe9ec81c9f50588dedfb7a386792
         array (
             0 => __DIR__ . '/..' . '/rmccue/requests/src',
         ),
+        'Vendor\\Parsedown\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/erusev/parsedown',
+        ),
         'Symfony\\Component\\Finder\\' => 
         array (
             0 => __DIR__ . '/..' . '/symfony/finder',
diff --git a/lib/vendor/composer/installed.json b/lib/vendor/composer/installed.json
index dff52cf419..1552b4daf7 100644
--- a/lib/vendor/composer/installed.json
+++ b/lib/vendor/composer/installed.json
@@ -218,6 +218,11 @@
             },
             "time": "2019-12-30T22:54:17+00:00",
             "type": "library",
+            "extra": {
+                "patches_applied": {
+                    "Add namespace to Parsedown class": "patches/parsedown-add-namespace.patch"
+                }
+            },
             "installation-source": "dist",
             "autoload": {
                 "psr-0": {
diff --git a/lib/vendor/composer/installed.php b/lib/vendor/composer/installed.php
index 142f851c6e..8a022fa5d4 100644
--- a/lib/vendor/composer/installed.php
+++ b/lib/vendor/composer/installed.php
@@ -5,7 +5,7 @@
         'type' => 'library',
         'install_path' => __DIR__ . '/../../',
         'aliases' => array(),
-        'reference' => '5f83c88b4d1af794b335f1cab1e918fe88526d5f',
+        'reference' => 'a25da45b71dd97cd376b604d92a798a231173c51',
         'name' => '__root__',
         'dev' => true,
     ),
@@ -16,7 +16,7 @@
             'type' => 'library',
             'install_path' => __DIR__ . '/../../',
             'aliases' => array(),
-            'reference' => '5f83c88b4d1af794b335f1cab1e918fe88526d5f',
+            'reference' => 'a25da45b71dd97cd376b604d92a798a231173c51',
             'dev_requirement' => false,
         ),
         'box/spout' => array(
diff --git a/lib/vendor/erusev/parsedown/PATCHES.txt b/lib/vendor/erusev/parsedown/PATCHES.txt
new file mode 100644
index 0000000000..a509657ac3
--- /dev/null
+++ b/lib/vendor/erusev/parsedown/PATCHES.txt
@@ -0,0 +1,7 @@
+This file was automatically generated by Composer Patches (https://github.com/cweagans/composer-patches)
+Patches applied to this directory:
+
+Add namespace to Parsedown class
+Source: patches/parsedown-add-namespace.patch
+
+
diff --git a/lib/vendor/erusev/parsedown/Parsedown.php b/lib/vendor/erusev/parsedown/Parsedown.php
index 1b9d6d5bc2..0d96df3da5 100644
--- a/lib/vendor/erusev/parsedown/Parsedown.php
+++ b/lib/vendor/erusev/parsedown/Parsedown.php
@@ -1,4 +1,5 @@
 <?php
+namespace Vendor\Parsedown;
 
 #
 #