diff --git a/composer.json b/composer.json
index fe4cfdac1..8e8e66ae7 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,7 @@
         "doctrine/doctrine-bundle": "^2.4",
         "doctrine/doctrine-fixtures-bundle": "^3.4",
         "doctrine/doctrine-migrations-bundle": "^3.2",
+        "doctrine/lexer": "^2",
         "doctrine/orm": "^2.10",
         "drupol/composer-packages": "^2.0",
         "embed/embed": "^3.4",