diff --git a/src/js/background.js b/src/js/background.js
index c3f18b9..0638bb5 100644
--- a/src/js/background.js
+++ b/src/js/background.js
@@ -3,7 +3,9 @@ var logger   = new Logger();
 // Add the X-FirePHP-Version header to all requests
 var filter, 
     extraInfoSpec = ["blocking", "requestHeaders"];
-chrome.experimental.webRequest.onBeforeSendHeaders.addListener(
+
+
+chrome.webRequest.onBeforeSendHeaders.addListener(
     function(details) {
         var headers = details.requestHeaders;
         headers.push({
@@ -14,7 +16,7 @@ chrome.experimental.webRequest.onBeforeSendHeaders.addListener(
             requestHeaders: headers
         }
     }, 
-    /* RequestFilter */ filter, 
+    {urls: ["<all_urls>"]},
     /* array of string */ extraInfoSpec
 );
 
@@ -37,4 +39,4 @@ chrome.extension.onRequest.addListener(
         );
     }
   }
-);
\ No newline at end of file
+);
diff --git a/src/manifest.json b/src/manifest.json
index ba1ecaa..82810d5 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,11 +1,12 @@
 {
   "name": "FirePHP-chrome",
-  "version": "0.3.0",
+  "version": "0.4.0",
   
   "description": "FirePHP-chrome is an extension for Google Chrome to allow the Chrome console to display FirePHP messages.",
   "permissions": [
-    "experimental",
     "tabs",
+    "webRequest",
+    "webRequestBlocking",
     //"history",
     /* Request permissions for all sites */
     "http://*/*",