diff --git a/package.json b/package.json
index 8f9a643..32d51c6 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "csweb": "git://github.com/TNOCS/csWeb.git#7d9befbc04c236572c2a2b80753575d03d402797",
     "hypertimer": "^2.1.3",
-    "mosca": "^1.1.1",
+    "mosca": "^2.8.3",
     "winston": "^2.1.0",
     "snyk": "^1.25.0"
   },