diff --git a/package.json b/package.json
index 9ed0c2e..6820faa 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   "dependencies": {
     "moment": "^2.14.1",
     "node-forge": "^0.10.0",
-    "strong-soap": "^1.1.0",
+    "strong-soap": "^6.0.0",
     "xml-c14n": "^0.0.6"
   },
   "devDependencies": {