revert to joi@^6 to keep ES5 compatibility

jfromaniello · jfromaniello · commit 51d4796c0734 · 2016-12-07T10:59:23.000-03:00
diff --git a/package.json b/package.json
@@ -19,7 +19,7 @@
     "url": "https://github.com/auth0/node-jsonwebtoken/issues"
   },
   "dependencies": {
-    "joi": "^10.0.1",
+    "joi": "^6.10.1",
     "jws": "^3.1.4",
     "lodash.once": "^4.0.0",
     "ms": "^0.7.1",
