diff --git a/composer.lock b/composer.lock
index 2854b6b..1e0f1fa 100644
--- a/composer.lock
+++ b/composer.lock
@@ -764,19 +764,20 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.6.4",
+            "version": "v1.7.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "fbe3fe878f4fe69048bb8a52783a09802004f548"
+                "reference": "d60bcdc46978357759ecb13cb4b078da783f8faf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/fbe3fe878f4fe69048bb8a52783a09802004f548",
-                "reference": "fbe3fe878f4fe69048bb8a52783a09802004f548",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/d60bcdc46978357759ecb13cb4b078da783f8faf",
+                "reference": "d60bcdc46978357759ecb13cb4b078da783f8faf",
                 "shasum": ""
             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
             "require-dev": {
@@ -805,7 +806,11 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2017-11-14T20:44:03+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": "guzzle/guzzle",
@@ -5211,5 +5216,6 @@
         "php": "~7.0",
         "ext-pdo": "*"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.2.0"
 }