diff --git a/registry.txt b/registry.txt
index a9670050..5bf902a5 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4962,3 +4962,4 @@ https://github.com/DFRobot/DFRobot_Heartrate.git|Contributed|DFRobot_Heartrate
 https://github.com/siktec-lab/SIKTEC-SPI.git|Contributed|SIKTEC_SPI
 https://github.com/asukiaaa/arduino-ResistorReader.git|Contributed|ResistorReader_asukiaaa
 https://github.com/siktec-lab/SIKTEC-SRAM.git|Contributed|SIKTEC_SRAM
+https://github.com/LennartHennigs/SimpleFSM.git|Contributed|SimpleFSM