diff --git a/pyproject.toml b/pyproject.toml
index 46b38664c..e1b73d5fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ dev = [
     "click>=7.0,<8.2",
     "hypothesis>=5.8,<7",
     "pdoc>=4.0.0",
-    "pyinstaller==5.13.2",
+    "pyinstaller==6.0.0",
     "pytest-asyncio>=0.17,<0.22",
     "pytest-cov>=2.7.1,<4.2",
     "pytest-timeout>=1.3.3,<2.2",