diff --git a/kms/package.json b/kms/package.json
index 51a691b8cc..8ef9ec6490 100644
--- a/kms/package.json
+++ b/kms/package.json
@@ -21,6 +21,6 @@
     "execa": "^1.0.0",
     "mocha": "^5.2.0",
     "uuid": "^3.2.1",
-    "yargs": "^12.0.5"
+    "yargs": "^13.0.0"
   }
 }