diff --git a/repositories.txt b/repositories.txt
index 77780d73..8649b858 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4029,3 +4029,4 @@ https://github.com/Silver-Fang/TimersOneForAll
 https://github.com/Rupakpoddar/ESP8266Firebase
 https://github.com/Rupakpoddar/ESP8266Webhook
 https://github.com/Ant2000/CustomJWT
+https://github.com/DavidArmstrong/SiderealPlanets