diff --git a/repositories.txt b/repositories.txt
index c185a75f..5be29385 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/aikopras/AP_DCC_Decoder_Core
 https://github.com/fadhil-1911/MyDHT22
 https://github.com/sbarabe/SBK_HT16K33
 https://github.com/sbarabe/SBK_BarDrive