diff --git a/mpq/arr/weapons.datex b/mpq/arr/weapons.datex
index cbb12ad6..696963b9 100644
Binary files a/mpq/arr/weapons.datex and b/mpq/arr/weapons.datex differ
diff --git a/patchnotes.md b/patchnotes.md
index 6c92ca9b..847dd80d 100644
--- a/patchnotes.md
+++ b/patchnotes.md
@@ -53,6 +53,8 @@ Core gameplay changes **saturate** this update, with economic changes, worker du
 	- Armor now 3, from 4
 	- Sight range now 9, from 8
 	- **Now requires nothing, from Atlas**
+- [Ion Cannon](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=terran/ion-cannon):
+	- Weapon cooldown now 10 seconds, from 7
 
 ## Protoss
 - [Scribe](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=protoss/scribe):