diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c4c975d..ca35544 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,9 +42,9 @@ jobs:
       # (e.g. - apt-get: gettext, etc; pip: circuitpython-build-tools, requirements.txt; etc.)
       run: |
         source actions-ci/install.sh
-    - name: Pip install pylint, Sphinx, pre-commit
+    - name: Pip install Sphinx, pre-commit
       run: |
-        pip install --force-reinstall pylint Sphinx sphinx-rtd-theme pre-commit
+        pip install --force-reinstall Sphinx sphinx-rtd-theme pre-commit
     - name: Library version
       run: git describe --dirty --always --tags
     - name: Pre-commit hooks
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 43636ac..1b9fadc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,25 +18,25 @@ repos:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
 -   repo: https://github.com/pycqa/pylint
-    rev: pylint-2.7.1
+    rev: v2.11.1
     hooks:
     -   id: pylint
         name: pylint (library code)
         types: [python]
-        exclude: "^(docs/|tests/|examples/|setup.py$)"
--   repo: local
-    hooks:
-    -   id: pylint_examples
-        name: pylint (examples code)
+        args:
+          - --disable=consider-using-f-string
+        exclude: "^(docs/|examples/|tests/|setup.py$)"
+    -   id: pylint
+        name: pylint (example code)
         description: Run pylint rules on "examples/*.py" files
-        entry: /usr/bin/env bash -c
-        args: ['([[ ! -d "examples" ]] || for example in $(find . -path "./examples/*.py"); do pylint --disable=missing-docstring,invalid-name,consider-using-f-string $example; done)']
-        language: system
--   repo: local
-    hooks:
-    -   id: pylint_tests
-        name: pylint (tests code)
+        types: [python]
+        files: "^examples/"
+        args:
+        - --disable=missing-docstring,invalid-name,consider-using-f-string,duplicate-code
+    -   id: pylint
+        name: pylint (test code)
         description: Run pylint rules on "tests/*.py" files
-        entry: /usr/bin/env bash -c
-        args: ['([[ ! -d "tests" ]] || for test in $(find . -path "./tests/*.py"); do pylint --disable=missing-docstring,consider-using-f-string $test; done)']
-        language: system
+        types: [python]
+        files: "^tests/"
+        args:
+        - --disable=missing-docstring,consider-using-f-string,duplicate-code
diff --git a/.pylintrc b/.pylintrc
index f006a4a..cfd1c41 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -252,7 +252,7 @@ ignore-docstrings=yes
 ignore-imports=yes
 
 # Minimum lines number of a similarity.
-min-similarity-lines=12
+min-similarity-lines=4
 
 
 [BASIC]
diff --git a/adafruit_midi/midi_message.py b/adafruit_midi/midi_message.py
index ca609d3..f10fdfd 100755
--- a/adafruit_midi/midi_message.py
+++ b/adafruit_midi/midi_message.py
@@ -111,7 +111,7 @@ def channel(self):
     @channel.setter
     def channel(self, channel):
         if channel is not None and not 0 <= channel <= 15:
-            raise "Channel must be 0-15 or None"
+            raise ValueError("Channel must be 0-15 or None")
         self._channel = channel
 
     @classmethod
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..88e6733
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,5 @@
+# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
+sphinx>=4.0.0