diff --git a/php/composer.lock b/php/composer.lock
index dd3d430f89c..5f7b5f0c604 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -3742,6 +3742,6 @@
         "ext-curl": "*",
         "ext-apcu": "*"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "plugin-api-version": "2.6.0"
 }