diff --git a/php/composer.lock b/php/composer.lock
index 983aaac4..48609cd9 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -1793,5 +1793,5 @@
         "ext-apcu": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }