diff --git a/.github/.release-please-config.json b/.github/.release-please-config.json
index 63db40e3..b2338d29 100644
--- a/.github/.release-please-config.json
+++ b/.github/.release-please-config.json
@@ -1,4 +1,5 @@
 {
+    "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
     "release-type": "php",
     "packages": {
         ".": {