diff --git a/background.js b/background.js
index 0120efe..3e35b54 100644
--- a/background.js
+++ b/background.js
@@ -53,7 +53,7 @@ var responseListener = function(details){
 		details.responseHeaders.push({"name": "Access-Control-Expose-Headers", "value": exposedHeaders});
 	}
 
-	details.responseHeaders.push({"name": "Access-Control-Allow-Methods", "value": "GET, PUT, POST, DELETE, HEAD, OPTIONS"});
+	details.responseHeaders.push({"name": "Access-Control-Allow-Methods", "value": "GET, PUT, PATCH, POST, DELETE, HEAD, OPTIONS"});
 
 	return {responseHeaders: details.responseHeaders};