diff --git a/registry.txt b/registry.txt
index 21fdb5ea..59b454e9 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6279,3 +6279,4 @@ https://github.com/RobTillaart/MiniMP3.git|Contributed|MiniMP3
 https://github.com/OkbaO/ST7565_LCD.git|Contributed|ST7565 LCD
 https://github.com/XbergCode/MillisCounter.git|Contributed|MillisCounter
 https://github.com/DenysChuhlib/PGMTools.git|Contributed|PGMTools
+https://github.com/RobTillaart/SWSerialOut.git|Contributed|SWSerialOut