diff --git a/registry.txt b/registry.txt
index ce5c1c90..7629aeed 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4378,3 +4378,4 @@ https://github.com/khoih-prog/STM32_Slow_PWM.git|Contributed|STM32_Slow_PWM
 https://github.com/shkoo/MeshGnome.git|Contributed|MeshGnome
 https://github.com/khoih-prog/STM32_PWM.git|Contributed|STM32_PWM
 https://github.com/arduino-libraries/Arduino_OplaUI.git|Arduino|Arduino_OplaUI
+https://github.com/michpro/XTEA-Cipher.git|Contributed|XTEA-Cipher