diff --git a/requirements.txt b/requirements.txt
index 7a144c43..7c1b4c35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ PySide6_Addons>=6.5.1.1,<=6.6.3.1
 PySide6_Essentials>=6.5.1.1,<=6.6.3.1
 typing_extensions>=3.10.0.0,<=4.11.0
 ujson>=5.8.0,<=5.9.0
-Pyinstaller
+Pyinstaller==6.6.0