diff --git a/mypy-requirements.txt b/mypy-requirements.txt
index e7e2af80089bb..96888e2211282 100644
--- a/mypy-requirements.txt
+++ b/mypy-requirements.txt
@@ -1,4 +1,4 @@
 typing_extensions>=3.7.4
 mypy_extensions>=0.4.3,<0.5.0
 typed_ast>=1.4.0,<1.5.0
-tomli<2.0.0
+tomli>=1.1.0,<1.2.0
diff --git a/setup.py b/setup.py
index 50974068a84c1..04cd455070d7b 100644
--- a/setup.py
+++ b/setup.py
@@ -193,7 +193,7 @@ def run(self):
       install_requires=["typed_ast >= 1.4.0, < 1.5.0; python_version<'3.8'",
                         'typing_extensions>=3.7.4',
                         'mypy_extensions >= 0.4.3, < 0.5.0',
-                        'tomli<2.0.0',
+                        'tomli>=1.1.0,<1.2.0',
                         ],
       # Same here.
       extras_require={'dmypy': 'psutil >= 4.0', 'python2': 'typed_ast >= 1.4.0, < 1.5.0'},