diff --git a/python-packages/contract_addresses/setup.py b/python-packages/contract_addresses/setup.py
index 3eaa604f8f..f5686de89b 100755
--- a/python-packages/contract_addresses/setup.py
+++ b/python-packages/contract_addresses/setup.py
@@ -178,7 +178,7 @@ setup(
             "black",
             "coverage",
             "coveralls",
-            "mypy",
+            "mypy<=0.770",  # see https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",
diff --git a/python-packages/contract_artifacts/setup.py b/python-packages/contract_artifacts/setup.py
index d49d6c434b..1d9e71b87d 100755
--- a/python-packages/contract_artifacts/setup.py
+++ b/python-packages/contract_artifacts/setup.py
@@ -179,7 +179,7 @@ setup(
             "black",
             "coverage",
             "coveralls",
-            "mypy",
+            "mypy<=0.770",  # https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",
diff --git a/python-packages/contract_wrappers/setup.py b/python-packages/contract_wrappers/setup.py
index 4aa41535e5..5eb83240a5 100755
--- a/python-packages/contract_wrappers/setup.py
+++ b/python-packages/contract_wrappers/setup.py
@@ -219,7 +219,7 @@ setup(
             "black",
             "coverage",
             "coveralls",
-            "mypy",
+            "mypy<=0.770",  # see https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",
diff --git a/python-packages/json_schemas/setup.py b/python-packages/json_schemas/setup.py
index 2174f5389c..6c97f94e8d 100755
--- a/python-packages/json_schemas/setup.py
+++ b/python-packages/json_schemas/setup.py
@@ -172,7 +172,7 @@ setup(
             "coverage",
             "coveralls",
             "eth_utils",
-            "mypy",
+            "mypy<=0.770",  # see https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",
diff --git a/python-packages/middlewares/setup.py b/python-packages/middlewares/setup.py
index 374dc153bf..ce4dd692cf 100755
--- a/python-packages/middlewares/setup.py
+++ b/python-packages/middlewares/setup.py
@@ -173,7 +173,7 @@ setup(
             "coverage",
             "coveralls",
             "eth_utils",
-            "mypy",
+            "mypy<=0.770",  # see https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",
diff --git a/python-packages/order_utils/setup.py b/python-packages/order_utils/setup.py
index 16b9162328..82ff20e10f 100755
--- a/python-packages/order_utils/setup.py
+++ b/python-packages/order_utils/setup.py
@@ -193,7 +193,7 @@ setup(
             "black",
             "coverage",
             "coveralls",
-            "mypy",
+            "mypy<=0.770",  # see https://github.com/python/mypy/issues/8953
             "mypy_extensions",
             "pycodestyle",
             "pydocstyle",