1 files changed, 1 insertions, 0 deletions
diff --git a/composer.json b/composer.json
index 7cf1e277..c8e9f2be 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "ext-gettext": "*",
         "ext-json": "*",
         "ext-libxml": "*",
+        "ext-mbstring": "*",
         "ext-PDO": "*",
         "ext-SimpleXML": "*",
         "ext-xml": "*",