diff --git a/composer.json b/composer.json
index 9879da05efe2d7382faae47cba201a143dc12edd..cc5c8edb8164cdbbcf4dc3292dda7a4b819be8b8 100644
--- a/composer.json
+++ b/composer.json
@@ -43,6 +43,7 @@
         "ext-json": "*",
         "ext-openssl": "*",
         "ext-iconv": "*",
+        "ext-intl": "*",
         "web-token/jwt-key-mgmt": "^2.2",
         "web-token/jwt-signature": "^2.2",
         "web-token/jwt-signature-algorithm-rsa": "^2.2",