diff --git a/pyproject.toml b/pyproject.toml
index 7e3b283b..4dff2475 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ actions = [
 ]
 dev = [
     "flit >=3.2.0,<4.0.0",
-    "mypy >=1.0.0,!=1.20.2,<1.21",
+    "mypy >=2.0.0,<2.4.0",
     "pip-audit >=2.4.4,<3.0.0",
     "pylint >=4.0.0,<4.1.0",
     "cyclonedx-bom >=7.0.0,<8.0.0",
@@ -133,6 +133,7 @@ mypy_path = [
     "src/",
 ]
 explicit_package_bases = true
+num_workers = 2
 show_error_codes = true
 show_column_numbers = true
 pretty = true