diff --git a/patchnotes.md b/patchnotes.md
index 43b7c13b..65602ab4 100644
--- a/patchnotes.md
+++ b/patchnotes.md
@@ -166,6 +166,8 @@ We are still hunting for desyncs! Please submit your critical logs to cm-issues
 - [Nathrokor](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=zerg/vorvrokor):
 	- **New:** Hidebreaker
 		- Air attacks now rend 1 armor for 3 seconds.
+- [Hydralisk](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=zerg/hydralisk):
+	- Armor penetration now 0, from 2
 - [Izirokor](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=zerg/izirokor):
 	- Time cost now 20, from 25
 	- Weapon cooldown now 0.83, from 0.92