diff --git a/pi/office_ips.txt b/pi/office_ips.txt
index 25d8250..5630021 100644
--- a/pi/office_ips.txt
+++ b/pi/office_ips.txt
@@ -1,3 +1,4 @@
 door1: 192.168.0.203
 door2: 192.168.0.167
 door3: 192.168.0.214
+door4: 192.168.0.177