diff --git a/configure.ac b/configure.ac
index b4a4d2d6..58b01f5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_INIT(rtorrent, 0.9.1, jaris@ifi.uio.no)
 
-AC_DEFINE(API_VERSION, 4, api version)
+AC_DEFINE(API_VERSION, 5, api version)
 
 AM_INIT_AUTOMAKE
 AM_CONFIG_HEADER(config.h)
diff --git a/src/command_throttle.cc b/src/command_throttle.cc
index 0837a1ee..2f203d5f 100644
--- a/src/command_throttle.cc
+++ b/src/command_throttle.cc
@@ -162,6 +162,13 @@ apply_address_throttle(const torrent::Object::list_type& args) {
   return torrent::Object();
 }
 
+torrent::Object
+throttle_update() {
+  control->ui()->adjust_up_throttle(0);
+  control->ui()->adjust_down_throttle(0);
+  return torrent::Object();
+}
+
 void
 initialize_command_throttle() {
   CMD2_ANY         ("throttle.unchoked_uploads",   tr1::bind(&torrent::ResourceManager::currently_upload_unchoked, torrent::resource_manager()));
@@ -182,6 +189,8 @@ initialize_command_throttle() {
   CMD2_VAR_VALUE   ("throttle.max_downloads.div",    1);
   CMD2_VAR_VALUE   ("throttle.max_downloads.global", 0);
 
+  CMD2_ANY         ("throttle.update",                      tr1::bind(&throttle_update));
+
   // TODO: Move the logic into some libtorrent function.
   CMD2_ANY         ("throttle.global_up.rate",              tr1::bind(&torrent::Rate::rate, torrent::up_rate()));
   CMD2_ANY         ("throttle.global_up.total",             tr1::bind(&torrent::Rate::total, torrent::up_rate()));