diff --git a/src/manifest.json b/src/manifest.json
index d7bfb0f..fc40781 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -2,6 +2,7 @@
   "name": "platypush",
   "description": "Web extension for interacting with one or more Platypush instances via browser",
   "version": "0.1.2",
+  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
   "manifest_version": 2,
   "icons": {
     "16": "icons/icon-16.png",