diff --git a/README.md b/README.md
index 958fd759..026032e8 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ If your device has a **real time clock** it can be updated bei either LoRaWAN ne
 
 # Building
 
-Use <A HREF="https://platformio.org/">PlatformIO</A> with your preferred IDE for development and building this code. Make sure you have latest PlatformIO version, **at least v4.0.0a15**.
+Use <A HREF="https://platformio.org/">PlatformIO</A> with your preferred IDE for development and building this code. Make sure you have latest PlatformIO version.
 
 # Uploading