diff --git a/composer.json b/composer.json
index f96a1fe3..c34c7fb4 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,7 @@
         "erusev/parsedown": "^1.6",
         "rollbar/rollbar": "dev-master",
         "ext-curl": "*",
+        "ext-mbstring": "*",
         "ext-xml": "*"
     },
     "require-dev": {
diff --git a/docs b/docs
index 2ae9a373..d7fb09c3 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit 2ae9a3739169c120e399e142b369681462d16437
+Subproject commit d7fb09c3cae7e41d66d4ce86e0cfc48255b27122