diff --git a/pyproject.toml b/pyproject.toml
index 5189219e456..1651a42962a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -102,7 +102,7 @@ lint = [
     "types-Pygments==2.19.0.20250305",
     "types-requests==2.32.0.20250328",  # align with requests
     "types-urllib3==1.26.25.14",
-    "pyright==1.1.397",
+    "pyright==1.1.400",
     "pytest>=8.0",
     "pypi-attestations==0.0.22",
     "betterproto==2.0.0b6",
@@ -158,7 +158,7 @@ translations = [
 ]
 types = [
     "mypy==1.15.0",
-    "pyright==1.1.397",
+    "pyright==1.1.400",
     { include-group = "type-stubs" },
 ]
 type-stubs = [