diff --git a/pyproject.toml b/pyproject.toml
index b39561c7907..6fdb889bc70 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ test = [
 	# pin type-checkers so a new version doesn't suddenly cause the CI to fail,
 	# until types-setuptools is removed from typeshed.
 	# For help with static-typing issues, or mypy/pyright update, ping @Avasam
-	"pyright == 1.1.376",
+	"pyright == 1.1.377",
 	"mypy==1.11.*",
 	# No Python 3.11 dependencies require tomli, but needed for type-checking since we import it directly
 	"tomli",
diff --git a/tox.ini b/tox.ini
index d3c915b478b..ef4185e3d79 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ setenv =
 	PYTHONWARNDEFAULTENCODING = 1
 	SETUPTOOLS_ENFORCE_DEPRECATION = {env:SETUPTOOLS_ENFORCE_DEPRECATION:1}
 commands =
-	pyright .
+	pyright --threads
 	pytest {posargs}
 usedevelop = True
 extras =