diff --git a/registry.txt b/registry.txt
index 7d9437af..367ff682 100644
--- a/registry.txt
+++ b/registry.txt
@@ -7907,3 +7907,4 @@ https://github.com/hmueller01/pubsubclient3.git|Contributed|PubSubClient3
 https://github.com/dac1e/RtcDueRcf.git|Contributed|RtcDueRcf
 https://github.com/CIRCUITSTATE/CSE_CST328.git|Contributed|CIRCUITSTATE CST328 Library
 https://github.com/snowhalationmkii/BS811X_I2C.git|Contributed|BS811X_I2C
+https://github.com/4211421036/fnn.git|Contributed|fnn