diff --git a/package-lock.json b/package-lock.json
index 02189bf..d9ffc9b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "http4js",
-  "version": "4.2.1",
+  "version": "5.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -276,8 +276,8 @@
       "integrity": "sha512-+qnmNjI4OfH2ipQ9VQOw23bBd/ibtfbVdK2fYbY4acTDqKTW/YDp9McimZdDbG8iV9fZizUqQMD5xvriB146TA==",
       "dev": true,
       "requires": {
-        "ajv": "5.5.2",
-        "har-schema": "2.0.0"
+        "ajv": "^5.3.0",
+        "har-schema": "^2.0.0"
       }
     },
     "has-flag": {