diff --git a/vision/package.json b/vision/package.json
index be92f874eb..781327929b 100644
--- a/vision/package.json
+++ b/vision/package.json
@@ -20,7 +20,7 @@
     "@google-cloud/storage": "1.1.0",
     "@google-cloud/vision": "^0.12.0",
     "async": "2.3.0",
-    "natural": "0.5.1",
+    "natural": "5.1.11",
     "redis": "2.7.1",
     "yargs": "7.1.0"
   },