diff --git a/repositories.txt b/repositories.txt
index e504ca73..3a16ebfa 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/PowerBroker2/Optimization
 https://github.com/GalaidaMaxim/Delayer
 https://github.com/TheBlackSwitch/PS2Keyboard
 https://github.com/aiplayuser/esp8266easylib.git