diff --git a/Installing-the-software.md b/Installing-the-software.md
index ee543b4..c27da6e 100644
--- a/Installing-the-software.md
+++ b/Installing-the-software.md
@@ -12,6 +12,8 @@ If you are Windows user or you just don't have git installed on your PC just dow
 # Compiling
 **If you downloaded code from Releases page you can just skip this part.**
 
+**Make sure to use esp32 boardmanager v2.0.17.**
+
 We recommend using [Arduino IDE](https://www.arduino.cc/en/software/) for compiling the code. If you don't have it installed please visit official Arduino's website to download it.\
 After installing Arduino IDE you need to download board definitions for ESP32. 
 1. Open Arduino IDE and in File tab select Preferences.\