diff --git a/requirements-dev.txt b/requirements-dev.txt
index a8c03aae0..5bff292c9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -49,7 +49,7 @@ ptyprocess==0.7.0 ; python_version >= "3.11" and python_version < "3.12"
 pycparser==2.21 ; python_version >= "3.11" and python_version < "3.12"
 pydantic==1.10.12 ; python_version >= "3.11" and python_version < "3.12"
 pyinstaller-hooks-contrib==2023.7 ; python_version >= "3.11" and python_version < "3.12"
-pyinstaller==5.13.2 ; python_version >= "3.11" and python_version < "3.12"
+pyinstaller==6.0.0 ; python_version >= "3.11" and python_version < "3.12"
 pyopenjtalk @ git+https://github.com/VOICEVOX/pyopenjtalk@b35fc89fe42948a28e33aed886ea145a51113f88 ; python_version >= "3.11" and python_version < "3.12"
 pyproject-hooks==1.0.0 ; python_version >= "3.11" and python_version < "3.12"
 pyrsistent==0.19.3 ; python_version >= "3.11" and python_version < "3.12"