diff --git a/composer.json b/composer.json
index bf49746629..b453a61b2b 100644
--- a/composer.json
+++ b/composer.json
@@ -130,7 +130,8 @@
         "giggsey/libphonenumber-for-php": "^9.0",
         "kevinrob/guzzle-cache-middleware": "8.0.0",
         "renanbr/bibtex-parser": "2.3.0",
-        "seboettg/citeproc-php": "2.7.1"
+        "seboettg/citeproc-php": "2.7.1",
+        "twig/twig": "3.28.0"
     },
     "require-dev": {
         "az-digital/az-quickstart-dev": "~3"