diff --git a/tests/How-To-Run-Test-And-How-To-Add-New-Test-Case.md b/tests/How-To-Run-Test-And-How-To-Add-New-Test-Case.md
index 3477fe9152af7e0744f18382f1637c7969cb823c..b6859827bfcc4c87eb8eff9173cb89b2d1c6c467 100644
--- a/tests/How-To-Run-Test-And-How-To-Add-New-Test-Case.md
+++ b/tests/How-To-Run-Test-And-How-To-Add-New-Test-Case.md
@@ -11,6 +11,8 @@
 4.  pip install ../src/connector/python/linux/python2 ; pip3 install
     ../src/connector/python/linux/python3
 
+5.  pip install numpy; pip3 install numpy    
+
 >   Note: Both Python2 and Python3 are currently supported by the Python test
 >   framework. Since Python2 is no longer officially supported by Python Software
 >   Foundation since January 1, 2020, it is recommended that subsequent test case