diff --git a/src/webui/webapplication.cpp b/src/webui/webapplication.cpp
index 23530e5b6..a64e68e56 100644
--- a/src/webui/webapplication.cpp
+++ b/src/webui/webapplication.cpp
@@ -46,7 +46,7 @@
 #include "websessiondata.h"
 #include "webapplication.h"
 
-static const int API_VERSION = 3;
+static const int API_VERSION = 4;
 static const int API_VERSION_MIN = 2;
 
 const QString WWW_FOLDER = ":/www/public/";