diff --git a/composer.json b/composer.json
index 6a9af814ab52ad61f255325fb501177d4f29d9b0..04074cc5de3d72c0e9b7bdbac53377a1593703bd 100644
--- a/composer.json
+++ b/composer.json
@@ -2,6 +2,7 @@
     "license": "GPL-3.0-only",
     "require": {
         "php": "^8.1",
+        "ext-json": "*",
         "ext-sodium": "*",
         "ext-xml": "*",
         "ext-zip": "*",