diff --git a/registry.txt b/registry.txt
index 7ab3a79d..47e9e0dd 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2068,3 +2068,4 @@ https://github.com/hideakitai/Debug.git|Contributed|Debug
 https://github.com/hideakitai/I2CExtension.git|Contributed|I2CExtension
 https://github.com/hideakitai/RingBuffer.git|Contributed|RingBuffers
 https://github.com/hideakitai/VectorXf.git|Contributed|VectorXf
+https://github.com/hideakitai/SPIExtension.git|Contributed|SPIExtension