diff --git a/registry.txt b/registry.txt
index 7f1c4cb1..dd49458b 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1000,4 +1000,5 @@ https://github.com/andriyadi/AzureIoTHubMQTTClient.git|Contributed|AzureIoTHubMQ
 https://github.com/puuu/USIWire.git|Contributed|USIWire
 https://github.com/SMFSW/SerialTerminal.git|Contributed|SerialTerminal
 https://github.com/mathertel/OneButton.git|Contributed|OneButton
+https://github.com/mathertel/RotaryEncoder.git|Contributed|RotaryEncoder