Update package.json

Author: danielsogl

package.json

@@ -28,7 +28,7 @@
     "ionic-angular": "3.3.0",
     "ionicons": "3.0.0",
     "rxjs": "5.4.0",
-    "sw-toolbox": "3.4.0",
+    "sw-toolbox": "3.6.0",
     "zone.js": "0.8.12"
   },
   "devDependencies": {