diff --git a/README.md b/README.md
index 99ed3ba589501ef8a43953a5454fa6ca15f6ed35..bec59d30d6ae7475fcca614000548c9348a1a3b4 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ NSFarm utilizes tools present on standard Linux based PC. It is based on Python3
 pytest, pexpect and LXD.
 
 You need following software and its dependencies:
-* Python3
+* Python3 (>=3.6)
 * pytest (>=5.0)
 * pytest-html (>=2.0)
 * pexpect