diff --git a/tests/mypy_blacklist.txt b/tests/mypy_blacklist.txt
index e69de29bb..040998a5e 100644
--- a/tests/mypy_blacklist.txt
+++ b/tests/mypy_blacklist.txt
@@ -0,0 +1 @@
+third_party/2and3/boto/.*
diff --git a/third_party/2and3/boto/connection.pyi b/third_party/2and3/boto/connection.pyi
index 584716a61..287dce6f2 100644
--- a/third_party/2and3/boto/connection.pyi
+++ b/third_party/2and3/boto/connection.pyi
@@ -111,7 +111,7 @@ class AWSQueryConnection(AWSAuthConnection):
     ResponseError = ...  # type: Any
     def __init__(self, aws_access_key_id: Optional[Any] = ..., aws_secret_access_key: Optional[Any] = ..., is_secure: bool = ..., port: Optional[Any] = ..., proxy: Optional[Any] = ..., proxy_port: Optional[Any] = ..., proxy_user: Optional[Any] = ..., proxy_pass: Optional[Any] = ..., host: Optional[Any] = ..., debug: int = ..., https_connection_factory: Optional[Any] = ..., path: str = ..., security_token: Optional[Any] = ..., validate_certs: bool = ..., profile_name: Optional[Any] = ..., provider: str = ...) -> None: ...
     def get_utf8_value(self, value): ...
-    def make_request(self, action, params: Optional[Any] = ..., path: str = ..., verb: str = ..., *args, **kwargs): ...
+    def make_request(self, action, params: Optional[Any] = ..., path: str = ..., verb: str = ..., *args, **kwargs): ...  # FIXME: signature incompatible with base class
     def build_list_params(self, params, items, label): ...
     def build_complex_list_params(self, params, items, label, names): ...
     def get_list(self, action, params, markers, path: str = ..., parent: Optional[Any] = ..., verb: str = ...): ...
diff --git a/third_party/2and3/boto/s3/connection.pyi b/third_party/2and3/boto/s3/connection.pyi
index b9df2cbf1..edfbf3460 100644
--- a/third_party/2and3/boto/s3/connection.pyi
+++ b/third_party/2and3/boto/s3/connection.pyi
@@ -4,7 +4,7 @@
 
 from .bucket import Bucket
 
-from typing import Any, Optional, Text, Type
+from typing import Any, Dict, Optional, Text, Type
 from boto.connection import AWSAuthConnection
 from boto.exception import BotoClientError
 
@@ -68,4 +68,4 @@ class S3Connection(AWSAuthConnection):
     def lookup(self, bucket_name, validate: bool = ..., headers: Optional[Dict[Text, Text]] = ...): ...
     def create_bucket(self, bucket_name, headers: Optional[Dict[Text, Text]] = ..., location: Any = ..., policy: Optional[Any] = ...): ...
     def delete_bucket(self, bucket, headers: Optional[Dict[Text, Text]] = ...): ...
-    def make_request(self, method, bucket: str = ..., key: str = ..., headers: Optional[Any] = ..., data: str = ..., query_args: Optional[Any] = ..., sender: Optional[Any] = ..., override_num_retries: Optional[Any] = ..., retry_handler: Optional[Any] = ..., *args, **kwargs): ...
+    def make_request(self, method, bucket: str = ..., key: str = ..., headers: Optional[Any] = ..., data: str = ..., query_args: Optional[Any] = ..., sender: Optional[Any] = ..., override_num_retries: Optional[Any] = ..., retry_handler: Optional[Any] = ..., *args, **kwargs): ...  # FIXME: signature incompatible with base class