diff --git a/pyproject.toml b/pyproject.toml
index 3c5a2576..8c2f8c3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ optional-dependencies.dev = [
     "pylint-per-file-ignores==3.2.1",
     "pyproject-fmt==2.21.1",
     "pyrefly==0.62.0",
-    "pyright==1.1.408",
+    "pyright==1.1.409",
     "pyroma==5.0.1",
     "pytest==9.0.3",
     "pytest-asyncio==1.3.0",