diff --git a/registry.txt b/registry.txt
index b2df1883..e5e47b4d 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5102,3 +5102,4 @@ https://github.com/deneyapkart/deneyap-sicaklik-nem-olcer-arduino-library.git|Co
 https://github.com/deneyapkart/deneyap-hareket-isik-renk-algilayici-mesafe-olcer-arduino-library.git|Contributed|Deneyap Hareket Isik Renk Algilayici Mesafe Olcer
 https://github.com/deneyapkart/deneyap-ultraviyole-isik-algilayici-arduino-library.git|Contributed|Deneyap Ultraviyole Isik Algilayici
 https://github.com/stm32duino/MotionFX.git|Contributed|STM32duino MotionFX
+https://github.com/ethanhjennings/MQTTSerialPrinter.git|Contributed|MQTT and Serial Printer