diff --git a/pyproject.toml b/pyproject.toml
index 8a0f71e..b882d2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ minio = [
 development = [
     'minio >=7.2.20, <8',
     'pre-commit',
-    'pyright==1.1.408',
+    'pyright==1.1.409',
     'pytest',
     'coverage',
     'pytest-cov',