diff --git a/tests/README.md b/tests/README.md
index 58747d93f7..3061019f65 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -16,6 +16,7 @@ This manual is intended to give developers a comprehensive guidance to test TDen
 
 > [!NOTE]
 > - The commands and scripts below are verified on Linux (Ubuntu 18.04/20.04/22.04).
+> - taospy and taos-ws-py requires Python 3.7+.
 > - The commands and steps described below are to run the tests on a single host.
 
 # 2. Prerequisites