diff --git a/registry.txt b/registry.txt
index 9bcf104e..82740b71 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1841,3 +1841,4 @@ https://github.com/bengtmartensson/GlobalCovfefe.git|Contributed|GlobalCovfefe
 https://github.com/hideakitai/EmbeddedUtils.git|Contributed|EmbeddedUtils
 https://github.com/hideakitai/PCA9536.git|Contributed|PCA9536Arduino
 https://github.com/hideakitai/TFmini.git|Contributed|TFminiArduino
+https://github.com/AlpenglowInd/BigNums2x2.git|Contributed|BigNums2x2