diff --git a/.pylint b/.pylint
index fbf462f..9b4f212 100644
--- a/.pylint
+++ b/.pylint
@@ -141,7 +141,8 @@ disable=print-statement,
         unused-argument,
         missing-docstring,
         function-redefined,
-        line-too-long
+        line-too-long,
+        raise-missing-from
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option
diff --git a/aioitertools/builtins.py b/aioitertools/builtins.py
index c69457e..75c1164 100644
--- a/aioitertools/builtins.py
+++ b/aioitertools/builtins.py
@@ -142,14 +142,14 @@ async def map(fn: Callable[[T], R], itr: AnyIterable[T]) -> AsyncIterator[R]:
 
 @overload
 async def max(
-    itr: AnyIterable[Orderable], *, key: Optional[Callable] = None,
+    itr: AnyIterable[Orderable], *, key: Optional[Callable] = None
 ) -> Orderable:  # pragma: no cover
     pass
 
 
 @overload
 async def max(
-    itr: AnyIterable[Orderable], *, default: T, key: Optional[Callable] = None,
+    itr: AnyIterable[Orderable], *, default: T, key: Optional[Callable] = None
 ) -> Union[Orderable, T]:  # pragma: no cover
     pass
 
@@ -201,14 +201,14 @@ async def max(itr: AnyIterable[Orderable], **kwargs: Any) -> Any:
 
 @overload
 async def min(
-    itr: AnyIterable[Orderable], *, key: Optional[Callable] = None,
+    itr: AnyIterable[Orderable], *, key: Optional[Callable] = None
 ) -> Orderable:  # pragma: no cover
     pass
 
 
 @overload
 async def min(
-    itr: AnyIterable[Orderable], *, default: T, key: Optional[Callable] = None,
+    itr: AnyIterable[Orderable], *, default: T, key: Optional[Callable] = None
 ) -> Union[Orderable, T]:  # pragma: no cover
     pass
 
diff --git a/aioitertools/tests/builtins.py b/aioitertools/tests/builtins.py
index e2c766f..a9875af 100644
--- a/aioitertools/tests/builtins.py
+++ b/aioitertools/tests/builtins.py
@@ -100,9 +100,9 @@ class BuiltinsTest(TestCase):
             def __anext__(self):
                 if self.index > 2:
                     raise StopAsyncIteration()
-                return self.next()
+                return self.fake_next()
 
-            async def next(self):
+            async def fake_next(self):
                 value = slist[self.index]
                 self.index += 1
                 return value
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a7cafac..9c73e03 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,9 +1,9 @@
-black==19.10b0
-codecov==2.0.22
-coverage[toml]==5.1
+black==20.8b1
+codecov==2.1.10
+coverage[toml]==5.3
 flit==3.0.0
 mypy==0.790
-pylint==2.4.4
+pylint==2.4.4  # pyup: <2.5
 sphinx==3.3.0
 usort==0.6.0
-git+https://github.com/miyakogi/m2r
\ No newline at end of file
+git+https://github.com/miyakogi/m2r@66f4a5a500cdd9fc59085106bff082c9cadafaf3