diff --git a/repositories.txt b/repositories.txt
index 58903f26..3f253613 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/bolderflight/checksum
 https://github.com/bolderflight/airdata
 https://github.com/GyverLibs/GyverTransfer
 https://github.com/GyverLibs/GyverLBUF