diff --git a/registry.txt b/registry.txt
index 9f3246ff..ca9af5bb 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4524,3 +4524,4 @@ https://github.com/bolderflight/framing.git|Contributed|Bolder Flight Systems Me
 https://github.com/dizcza/sdpsensor-esp-arduino.git|Contributed|SDPSensor-ESP
 https://github.com/jpiat/PIOSpi.git|Contributed|PioSPI
 https://github.com/bolderflight/leb128.git|Contributed|Bolder Flight Systems LEB128
+https://github.com/bolderflight/uleb128.git|Contributed|Bolder Flight Systems ULEB128