diff --git a/composer.json b/composer.json
index 65d30d4e3cafae158bd36bdb4317958cc32509c8..ae06acd59861a3d4229195ab8bf0b34f8aa7a209 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
         "whitehat101/apr1-md5": "~1.0"
     },
     "require-dev": {
+        "ext-pdo_sqlite": "*",
         "phpunit/phpunit": "~3.7",
         "satooshi/php-coveralls": "^1.0"
     },