diff --git a/registry.txt b/registry.txt
index 62330175..8cf15070 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3292,3 +3292,4 @@ https://github.com/xreef/EMailSender.git|Contributed|EMailSender
 https://github.com/khoih-prog/WebSockets2_Generic.git|Contributed|WebSockets2_Generic
 https://gitlab.com/airbornemint/arduino-protothreads.git|Contributed|Protothreads
 https://github.com/pvannatto/Switch2_Lib.git|Contributed|Switch2_lib
+https://github.com/fabiopjve/ULWOS2.git|Contributed|ULWOS2