diff --git a/windows-installer/windows_installer/construct.py b/windows-installer/windows_installer/construct.py
index 983923049..91df6b714 100644
--- a/windows-installer/windows_installer/construct.py
+++ b/windows-installer/windows_installer/construct.py
@@ -7,7 +7,7 @@ import subprocess
 import sys
 import time
 
-PYTHON_VERSION = (3, 8, 8)
+PYTHON_VERSION = (3, 8, 9)
 PYTHON_BITNESS = 32
 NSIS_VERSION = '3.06.1'