diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 79f07ff..dfedb25 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -12,15 +12,15 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        python-version: ["3.12", "3.11", "3.10", 3.9, 3.8, pypy-3.9]
+        python-version: ["3.12", "3.11", "3.10", 3.9, pypy-3.9]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Cache packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('tox.ini') }}
@@ -36,15 +36,15 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: [3.12]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Cache packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/pre-commit
diff --git a/.gitignore b/.gitignore
index f85267e..ee5ed84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,9 @@
 .coverage
 .installed.cfg
 .hypothesis
+.tox
 bin
 develop-eggs
 include
 lib
+venv
\ No newline at end of file
diff --git a/README.rst b/README.rst
index c0e4f02..c301905 100644
--- a/README.rst
+++ b/README.rst
@@ -83,7 +83,7 @@ to ignore a custom list of builtins::
 
 Requirements
 ------------
-- Python 3.8, 3.9, 3.10, 3.11, 3.12, and pypy3
+- Python 3.9, 3.10, 3.11, 3.12, and pypy3
 - flake8
 
 Rules
diff --git a/flake8_builtins.py b/flake8_builtins.py
index e95d1db..d20b158 100644
--- a/flake8_builtins.py
+++ b/flake8_builtins.py
@@ -17,6 +17,9 @@ class BuiltinsChecker:
     module_name_msg = 'A005 the module is shadowing a Python builtin module "{0}"'
     lambda_argument_msg = 'A006 lambda argument "{0}" is shadowing a Python builtin'
 
+    default_line_number = 1
+    default_column_offset = 1
+
     names = []
     ignore_list = {
         '__name__',
@@ -283,8 +286,8 @@ def error(self, statement=None, variable=None, message=None):
 
         # lineno and col_offset must be integers
         return (
-            statement.lineno if statement else 0,
-            statement.col_offset if statement else 0,
+            statement.lineno if statement else self.default_line_number,
+            statement.col_offset if statement else self.default_column_offset,
             message.format(variable),
             type(self),
         )
diff --git a/pyproject.toml b/pyproject.toml
index ea31ea5..ee7f930 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
 description = "Check for python builtins being used as variables or parameters"
 keywords = ["pep8", "flake8", "python", ]
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
         "Development Status :: 5 - Production/Stable",
         "Environment :: Console",
@@ -22,7 +22,6 @@ classifiers = [
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
@@ -49,7 +48,7 @@ A00 = "flake8_builtins:BuiltinsChecker"
 profile = "plone"
 
 [tool.black]
-target-version = ["py38"]
+target-version = ["py312"]
 skip-string-normalization = true
 
 [tool.check-manifest]
diff --git a/tox.ini b/tox.ini
index 5e582ec..7a37acf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,6 @@ envlist =
     format
     lint
     coverage
-    py38
     py39
     py310
     py311