diff --git a/registry.txt b/registry.txt
index b23b467f..09fc59e0 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1032,3 +1032,4 @@ https://github.com/AshleyF/BriefEmbedded.git|Contributed|Brief
 https://github.com/sigvaldm/SevenSeg.git|Contributed|SevenSeg
 https://github.com/BlueDot-Arduino/BlueDot_BME280.git|Contributed|BlueDot BME280 Library
 https://github.com/teemuatlut/TMC2208Stepper.git|Contributed|TMC2208Stepper
+https://github.com/damellis/PCM.git|Contributed|PCM