diff --git a/composer.json b/composer.json
index 1353c0a50..00f798f4c 100644
--- a/composer.json
+++ b/composer.json
@@ -86,7 +86,6 @@
     "require": {
         "ext-json": "*",
         "php": ">=7.3",
-        "axy/sourcemap": "^0.1.4",
         "components/font-awesome": "^5.14.0",
         "composer/composer": "^2.0",
         "dflydev/fig-cookies": "^3.0.0",
@@ -127,6 +126,8 @@
         "psr/http-server-middleware": "^1.0",
         "pusher/pusher-php-server": "^2.2",
         "s9e/text-formatter": "^2.3.6",
+        "sycho/json-api": "^0.5.0",
+        "sycho/sourcemap": "^2.0.0",
         "symfony/config": "^5.2.2",
         "symfony/console": "^5.2.2",
         "symfony/event-dispatcher": "^5.2.2",
@@ -134,7 +135,6 @@
         "symfony/polyfill-intl-messageformatter": "^1.22.0",
         "symfony/translation": "^5.1.5",
         "symfony/yaml": "^5.2.2",
-        "tobscure/json-api": "^0.3.0",
         "wikimedia/less.php": "^3.0"
     },
     "require-dev": {