diff --git a/package.json b/package.json
index 338e992..1635380 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "async": "~1.5.2",
     "debug": "^1.0.4",
     "underscore": "~1.6.0",
-    "xml-crypto": "^0.8.1",
+    "xml-crypto": "^2.1.6",
     "xml-encryption": "^0.9.0",
     "xml2js": "~0.4.1",
     "xmlbuilder": "~2.1.0",