diff --git a/platformio.ini b/platformio.ini
index af7c7ea4b..c8c8631f2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -45,7 +45,7 @@ lib_deps =
     nrf24/RF24 @ 1.4.9
     olikraus/U8g2 @ 2.35.21
     buelowp/sunset @ 1.1.7
-    https://github.com/arkhipenko/TaskScheduler#testing
+    arkhipenko/TaskScheduler @ 3.8.5
 
 extra_scripts =
     pre:pio-scripts/auto_firmware_version.py