diff --git a/composer.json b/composer.json
index 25e059f..4b10864 100644
--- a/composer.json
+++ b/composer.json
@@ -30,6 +30,7 @@
     "prefer-stable": true,
     "require": {
         "php": ">=7.3",
+        "ext-gd": "*",
         "2amigos/qrcode-library": "^2.0",
         "paragonie/constant_time_encoding": "^1.4|^2.0|9.99.99",
         "paragonie/random_compat": "^2.0"