diff --git a/repositories.txt b/repositories.txt
index 658cfc71..58d8a765 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/nullptr-deref/ms5540c-library
 https://github.com/igor-krechetov/hsmcpp-arduinoide
 https://github.com/sstaub/AT24MAC402
 https://github.com/Bexin3/GigaScope