diff --git a/README.md b/README.md
index b93aae9..0e55573 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,6 @@ src folder contains a universal (Arduino & PlatformIO) setup for compilation, in
 
 Needed libraries:  Arduino, ArduinoOTA and Watchy base.
 
+**NOTE:**  Watchy uses version 1.0.6 of the ESP32 libraries, anything higher won't compile, remove them manually and revert back to version 1.0.6.
+
 For instructions on usage of the firmware, see "Usage".