diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1345b3..c386b39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,7 @@ jobs:
           - ubuntu-24.04
           - macos-12
         python-version:
+          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
@@ -27,7 +28,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/gitchart/gitchart.py b/gitchart/gitchart.py
index b44595e..93f0628 100755
--- a/gitchart/gitchart.py
+++ b/gitchart/gitchart.py
@@ -149,7 +149,7 @@ class GitChart:
         datetime.date(2001, month, 1).strftime("%b") for month in range(1, 13)
     ]
 
-    # pylint: disable=too-many-positional-arguments
+    # pylint: disable=too-many-arguments, too-many-positional-arguments
     def __init__(
         self,
         chart_name,
@@ -227,7 +227,7 @@ def _git_command_log(self, arguments, command2=None):
                 git_log_cmd += [arguments]
         return self._git_command(git_log_cmd, command2)
 
-    # pylint: disable=too-many-positional-arguments
+    # pylint: disable=too-many-arguments, too-many-positional-arguments
     def _generate_bar_chart(
         self,
         data,