diff --git a/requirements.txt b/requirements.txt
index 12d8ac9..0551be2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 PySide6==6.11.1
 PyMuPDF==1.27.2.3
-pyinstaller==6.20.0
+pyinstaller==6.21.0
 Pillow>=10.0.0