diff --git a/composer.json b/composer.json
index fc1af3f81..0730a8f0c 100644
--- a/composer.json
+++ b/composer.json
@@ -49,7 +49,7 @@
         "symfony/swiftmailer-bundle": "^2.6.4",
         "symfony/symfony": "3.4.*",
         "twig/extensions": "1.5.*@dev",
-        "twig/twig": "^1.0||^2.0",
+        "twig/twig": "3.20.0",
         "zendframework/zend-ldap": "*"
     },
     "require-dev": {