diff --git a/registry.txt b/registry.txt
index b4cdb09f..d8f91200 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5022,3 +5022,4 @@ https://github.com/RobTillaart/SIMON.git|Contributed|SIMON
 https://github.com/m5stack/M5Unit-ACSSR.git|Contributed|UNIT_ACSSR
 https://github.com/m5stack/M5Unit-EXTIO2.git|Contributed|M5_EXTIO2
 https://github.com/levkovigor/FastInterruptEncoder.git|Contributed|FastInterruptEncoder
+https://github.com/PaddyCo/StackmatTimer.git|Contributed|StackmatTimer