diff --git a/Items.md b/Items.md
index b7b7f8d..5a21fad 100644
--- a/Items.md
+++ b/Items.md
@@ -153,6 +153,14 @@ Navigation Upgrade
 
 Allows the robot to tell its current position and facing. The position is relative to the center of the map that was used to craft the upgrade. The range in which the upgrade works depends on the size of the map that was used to craft the upgrade. The upgrade can be crafted together with another map to re-configure it and get the old map back.  [[Component/Navigation]]
 
+Chunkloader Upgrade
+-------------------
+![Chunkloader Upgrade](http://i.imgur.com/9di2PX4.png)
+
+This upgrade allows robots to act as a one-chunk chunkloader, allowing them to continue to operate even when no player is nearby / some other chunkloader is active.
+
+*Since version 1.3.*
+
 Battery Upgrade
 ---------------
 ![Battery Upgrade Tier1](http://i.imgur.com/WW5FMEb.png)