diff --git a/package.json b/package.json
index ebf064f..033bee4 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "typescript": "^2.6.2"
   },
   "dependencies": {
-    "elasticsearch": "^14.0.0",
+    "elasticsearch": "^15.1.1",
     "proc-that": "^1.0.2",
     "@types/node": "^9.3.0",
     "rxjs": "^5.5.6",