diff --git a/config/defaults.json b/config/defaults.json
index 2be4c07..53ebd85 100644
--- a/config/defaults.json
+++ b/config/defaults.json
@@ -1,6 +1,6 @@
 {
   "esclient": {
-    "apiVersion": "6.8",
+    "apiVersion": "7.x",
     "keepAlive": true,
     "requestTimeout": "120000",
     "hosts": [{
diff --git a/test/expected-deep.json b/test/expected-deep.json
index 5c10fb3..d6b76f5 100644
--- a/test/expected-deep.json
+++ b/test/expected-deep.json
@@ -1,6 +1,6 @@
 {
   "esclient": {
-    "apiVersion": "6.8",
+    "apiVersion": "7.x",
     "keepAlive": true,
     "requestTimeout": "120000",
     "hosts": [{