diff --git a/composer.lock b/composer.lock
index a02dad7..6ec0eab 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_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": "093b6264edbdec148beb6ee2461a5e72",
@@ -239,21 +239,25 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.6.3",
+            "version": "v1.7.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "728952b90a333b5c6f77f06ea9422b94b585878d"
+                "reference": "d60bcdc46978357759ecb13cb4b078da783f8faf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/728952b90a333b5c6f77f06ea9422b94b585878d",
-                "reference": "728952b90a333b5c6f77f06ea9422b94b585878d",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/d60bcdc46978357759ecb13cb4b078da783f8faf",
+                "reference": "d60bcdc46978357759ecb13cb4b078da783f8faf",
                 "shasum": ""
             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35"
+            },
             "type": "library",
             "autoload": {
                 "psr-0": {
@@ -277,7 +281,11 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2017-05-14T14:47:48+00:00"
+            "support": {
+                "issues": "https://github.com/erusev/parsedown/issues",
+                "source": "https://github.com/erusev/parsedown/tree/1.7.x"
+            },
+            "time": "2019-03-17T17:19:46+00:00"
         },
         {
             "name": "erusev/parsedown-extra",
@@ -3425,5 +3433,6 @@
         "ext-curl": "*",
         "ext-zip": "*"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }