diff --git a/requirements.txt b/requirements.txt
index 556432b..cc04c8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 esptool>=3.0
 pyserial~=3.5
 wxPython~=4.1.1
-PyInstaller~=4.2
+PyInstaller~=4.8
 httplib2>=0.18.1
 pyinstaller-versionfile>=2.0.0