diff --git a/requirements.txt b/requirements.txt
index 6bc6dde..dab469b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyInstaller==6.20.0
+PyInstaller==6.21.0
 pytest==9.0.3
 pylint==4.0.6
 codecov==2.1.13