1 files changed, 10 insertions, 1 deletions
diff --git a/composer.json b/composer.json
index b7f8aea..f8b40f8 100644
--- a/composer.json
+++ b/composer.json
@@ -13,12 +13,21 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.0",
+        "ext-mbstring": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8.35"
     },
     "autoload": {
         "psr-0": {"Parsedown": ""}
+    },
+    "autoload-dev": {
+        "psr-0": {
+            "TestParsedown": "test/",
+            "ParsedownTest": "test/",
+            "CommonMarkTest": "test/",
+            "CommonMarkTestWeak": "test/"
+        }
     }
 }