diff --git a/composer.lock b/composer.lock
index b44882e..0261343 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5152e57527315d12cde2f474dabe492b",
+    "content-hash": "29cad39f2fd2c250db7f10a4a673ae67",
     "packages": [],
     "packages-dev": [
         {
@@ -334,21 +334,25 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.6.2",
+            "version": "1.7.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "1bf24f7334fe16c88bf9d467863309ceaf285b01"
+                "reference": "cb17b6477dfff935958ba01325f2e8a2bfa6dab3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/1bf24f7334fe16c88bf9d467863309ceaf285b01",
-                "reference": "1bf24f7334fe16c88bf9d467863309ceaf285b01",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/cb17b6477dfff935958ba01325f2e8a2bfa6dab3",
+                "reference": "cb17b6477dfff935958ba01325f2e8a2bfa6dab3",
                 "shasum": ""
             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35"
+            },
             "type": "library",
             "autoload": {
                 "psr-0": {
@@ -372,7 +376,11 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2017-03-29T16:04:15+00:00"
+            "support": {
+                "issues": "https://github.com/erusev/parsedown/issues",
+                "source": "https://github.com/erusev/parsedown/tree/1.7.x"
+            },
+            "time": "2019-12-30T22:54:17+00:00"
         },
         {
             "name": "herrera-io/json",
@@ -2846,7 +2854,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^5.6 || ^7.0"
+        "php": "^5.6 || ^7.0 || ^8.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }