diff --git a/requirements-dev.txt b/requirements-dev.txt
index fce0508..4cc6e5f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
 flake8==7.0.0
-pyinstaller==6.8.0
+pyinstaller==6.9.0
 pytest==8.2.2
 pytest-cov==5.0.0