diff --git a/registry.txt b/registry.txt
index 4af3d2aa..d2055f7e 100644
--- a/registry.txt
+++ b/registry.txt
@@ -7821,3 +7821,4 @@ https://github.com/ridiculousfish/libdivide.git|Contributed|libdivide
 https://github.com/crozone-technology/TelegramESP32.git|Contributed|TelegramESP32
 https://github.com/mawaeg/Arduino_RV-8523.git|Contributed|RV8523
 https://github.com/steins1997/arduino_uno_r4_minima_mcp2517fd.git|Contributed|R4_LIB_FOR_MCP2517FD
+https://github.com/dejwk/roo_backport.git|Contributed|roo_backport