diff --git a/homeassistant/components/homekit_controller/__init__.py b/homeassistant/components/homekit_controller/__init__.py
index e36e7439e09d6353a05bab9c8e5ca9408cbd9f31..0883c5a3cc85b05165c1214266dbac87348acd4a 100644
--- a/homeassistant/components/homekit_controller/__init__.py
+++ b/homeassistant/components/homekit_controller/__init__.py
@@ -37,6 +37,7 @@ def homekit_http_send(self, message_body=None, encode_chunked=False):
     Appends an extra \r\n to the buffer.
     A message_body may be specified, to be appended to the request.
     """
+    # pylint: disable=protected-access
     self._buffer.extend((b"", b""))
     msg = b"\r\n".join(self._buffer)
     del self._buffer[:]
diff --git a/requirements_test.txt b/requirements_test.txt
index 0a4a0bcb5b04c753ef1ec4ae3f5a10433f209575..e7e854110f1dd188b34e7007966173980a57f936 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -8,7 +8,7 @@ flake8==3.5
 mock-open==1.3.1
 mypy==0.590
 pydocstyle==1.1.1
-pylint==1.8.4
+pylint==1.9.2
 pytest-aiohttp==0.3.0
 pytest-cov==2.5.1
 pytest-sugar==0.9.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 9334d63042943209644422dce0b4a7c75bf4e915..19796c3bab7af213c0c3a87868cfb1c091aee422 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -9,7 +9,7 @@ flake8==3.5
 mock-open==1.3.1
 mypy==0.590
 pydocstyle==1.1.1
-pylint==1.8.4
+pylint==1.9.2
 pytest-aiohttp==0.3.0
 pytest-cov==2.5.1
 pytest-sugar==0.9.1