diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7de65e8..fa4efc2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 pytest>=8.0
 ruff>=0.5
 mypy>=1.10
-pyinstaller>=6.0
+pyinstaller>=6.21.0