diff --git a/repositories.txt b/repositories.txt
index 2e43a8fe..b8db5234 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4332,3 +4332,4 @@ https://github.com/khoih-prog/AsyncHTTPSRequest_Generic
 https://github.com/stm32duino/ST25R95
 https://github.com/natnqweb/Functional_button
 https://github.com/natnqweb/Mapf
+https://github.com/nitz/Cie1931