diff --git a/config/defaults.json b/config/defaults.json
index d36a6fa..cb0866c 100644
--- a/config/defaults.json
+++ b/config/defaults.json
@@ -1,6 +1,6 @@
 {
   "esclient": {
-    "apiVersion": "2.3",
+    "apiVersion": "2.4",
     "keepAlive": true,
     "requestTimeout": "120000",
     "hosts": [{
diff --git a/config/expected-deep.json b/config/expected-deep.json
index 6baf7e1..00ffe2d 100644
--- a/config/expected-deep.json
+++ b/config/expected-deep.json
@@ -1,6 +1,6 @@
 {
   "esclient": {
-    "apiVersion": "2.3",
+    "apiVersion": "2.4",
     "keepAlive": true,
     "requestTimeout": "120000",
     "hosts": [{