diff --git a/tools/src/test/php/composer.json b/tools/src/test/php/composer.json
index 5a95569f..255de42d 100644
--- a/tools/src/test/php/composer.json
+++ b/tools/src/test/php/composer.json
@@ -5,7 +5,7 @@
     "ext-dom": "*",
     "ext-json": "*",
     "ext-libxml": "*",
-    "opis/json-schema": "2.4.1"
+    "opis/json-schema": "2.5.0"
   },
   "require-dev": {
     "roave/security-advisories": "dev-latest"