diff --git a/pyproject.toml b/pyproject.toml
index 5396492d9..326d5a170 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ dev = [
     "click>=7.0,<=8.1.8",
     "hypothesis>=6.104.2,<=6.127.3",
     "pdoc>=14.5.1,<=15.0.1",
-    "pyinstaller==6.11.1",
+    "pyinstaller==6.12.0",
     "pyinstaller-hooks-contrib==2025.1",
     "pytest-asyncio>=0.23.6,<=0.25.3",
     "pytest-cov>=5.0.0,<=6.0.0",