diff --git a/registry.txt b/registry.txt
index c021d1c7..998edf51 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2484,3 +2484,4 @@ https://github.com/WifWaf/TCA9548A.git|Contributed|TCA9548A
 https://github.com/LinnesLab/MAX541X.git|Contributed|MAX541X
 https://github.com/sparkfun/SparkFun_TMP117_Arduino_Library.git|Contributed|SparkFun High Precision Temperature Sensor TMP117 Qwiic
 https://github.com/PulseRain/Step_CYC10_I2C.git|Contributed|Step_CYC10_I2C
+https://github.com/dok-net/CoopTask.git|Contributed|CoopTask