diff --git a/platformio.ini b/platformio.ini
index a4ac334..33c12d5 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,7 +16,7 @@ framework = arduino
 lib_deps =
     TFT_eSPI
     https://github.com/Ferdi265/cxx-ring-buffer
-    https://github.com/TartanLlama/optional
+    https://github.com/0xFEEDC0DE64/optional
 
 lib_compat_mode = strict
 build_unflags =