diff --git a/registry.txt b/registry.txt
index 6de8ae0b..1da33878 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1608,3 +1608,4 @@ https://github.com/Naguissa/uCRC16BPBLib.git|Contributed|uCRC16BPBLib
 https://github.com/Naguissa/uCRC16Lib.git|Contributed|uCRC16Lib
 https://github.com/denyssene/SimpleKalmanFilter.git|Contributed|SimpleKalmanFilter
 https://github.com/mimeindustries/Marceau.git|Contributed|Marceau
+https://github.com/jandrassy/CStringBuilder.git|Contributed|CStringBuilder