diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 431c4f3..200a9e1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,45 +10,45 @@
 #
 repos:
   # Autoformat: Python code
-  - repo: https://github.com/ambv/black
-    rev: 23.1.0
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: f0fe93c067104b76ffb58852abe79673a8429bd1 # frozen: v0.11.8
     hooks:
-      - id: black
+      - id: ruff
+        args: ["--fix", "--show-fixes", "--exit-non-zero-on-fix"]
+      - id: ruff-format
 
   # Autoformat: markdown, yaml
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.0-alpha.4
+    rev: 787fb9f542b140ba0b2aced38e6a3e68021647a3 # frozen: v3.5.3
     hooks:
       - id: prettier
         exclude: tests/.*
 
-  # Autoformat: https://github.com/asottile/reorder_python_imports
-  - repo: https://github.com/asottile/reorder_python_imports
-    rev: v3.9.0
-    hooks:
-      - id: reorder-python-imports
-
   # Misc...
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: 3e8a8703264a2f4a69428a0aa4dcb512790b2c8c # v6.0.0
     # ref: https://github.com/pre-commit/pre-commit-hooks#hooks-available
     hooks:
-      # Autoformat: Makes sure files end in a newline and only a newline.
-      - id: end-of-file-fixer
-        exclude: tests/.*
-
-      # Autoformat: Sorts entries in requirements.txt.
-      - id: requirements-txt-fixer
-
-      # Lint: Check for files with names that would conflict on a
-      # case-insensitive filesystem like MacOS HFS+ or Windows FAT.
+      # Sanity checks
+      - id: check-added-large-files
       - id: check-case-conflict
-
-      # Lint: Checks that non-binary executables have a proper shebang.
       - id: check-executables-have-shebangs
+      - id: check-illegal-windows-names
+      - id: check-merge-conflict
 
-  # Lint: Python code
-  - repo: https://github.com/pycqa/flake8
-    rev: "6.0.0"
-    hooks:
-      - id: flake8
+      # Checks based on file type
+      - id: check-toml
+      - id: check-yaml
+
+      # Detect mistakes
+      - id: debug-statements
+      - id: detect-private-key
+      - id: forbid-submodules
+
+      # Automatic fixes
+      - id: mixed-line-ending
+        args: [--fix=lf]
+      - id: trailing-whitespace
+      - id: requirements-txt-fixer
+      - id: end-of-file-fixer
+        exclude: tests/.*
diff --git a/github_activity/__init__.py b/github_activity/__init__.py
index 2129abb..9146340 100644
--- a/github_activity/__init__.py
+++ b/github_activity/__init__.py
@@ -1,3 +1,4 @@
 __version__ = "1.0.3"
+__all__ = ["get_activity", "generate_activity_md"]
 
 from .github_activity import get_activity, generate_activity_md
diff --git a/github_activity/github_activity.py b/github_activity/github_activity.py
index 535ac33..912b89e 100644
--- a/github_activity/github_activity.py
+++ b/github_activity/github_activity.py
@@ -1,4 +1,5 @@
 """Use the GraphQL api to grab issues/PRs that match a query."""
+
 import dataclasses
 import datetime
 import fnmatch
@@ -7,10 +8,8 @@
 import shlex
 import subprocess
 import sys
-import urllib
 from collections import OrderedDict
 from json import loads
-from pathlib import Path
 from subprocess import CalledProcessError
 from subprocess import PIPE
 from subprocess import run
@@ -567,8 +566,6 @@ def filter_ignored(userlist):
             return
 
     # Separate into closed and opened
-    until_dt_str = data.until_dt_str
-    since_dt_str = data.since_dt_str
     closed = data.query("closedAt >= @since_dt_str and closedAt <= @until_dt_str")
     opened = data.query("createdAt >= @since_dt_str and createdAt <= @until_dt_str")
 
@@ -691,7 +688,7 @@ def filter_ignored(userlist):
                 items["md"].append("")
 
             for irow, irowdata in items["data"].iterrows():
-                author = irowdata["author"]
+                # author = irowdata["author"]
                 ititle = irowdata["title"]
                 if strip_brackets and ititle.strip().startswith("[") and "]" in ititle:
                     ititle = ititle.split("]", 1)[-1].strip()
@@ -855,11 +852,11 @@ def _get_datetime_and_type(org, repo, datetime_or_git_ref, auth):
     try:
         dt = _get_datetime_from_git_ref(org, repo, datetime_or_git_ref, auth)
         return (dt, True)
-    except Exception as ref_error:
+    except Exception:
         try:
             dt = dateutil.parser.parse(datetime_or_git_ref)
             return (dt, False)
-        except Exception as datetime_error:
+        except Exception:
             raise ValueError(
                 "{0} not found as a ref or valid date format".format(
                     datetime_or_git_ref
diff --git a/pyproject.toml b/pyproject.toml
index a6a9fbf..205086a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,3 +81,6 @@ search = 'version = "{current_version}"'
 [[tool.tbump.file]]
 src = "github_activity/__init__.py"
 search = '__version__ = "{current_version}"'
+
+[tool.ruff.lint.per-file-ignores]
+"docs/conf.py" = ["E402"]
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 4c28ce9..d993964 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,4 +1,3 @@
-import os
 import shutil
 from pathlib import Path
 from subprocess import run
@@ -126,7 +125,7 @@ def test_cli_ignore_user(tmpdir):
     cmd = f"github-activity executablebooks/github-activity --ignore-contributor choldgraf -s v1.0.2 -o {path_output}"
     run(cmd.split(), check=True)
     md = path_output.read_text()
-    assert not "@choldgraf" in md
+    assert "@choldgraf" not in md
 
 
 def test_contributor_sorting(tmpdir, file_regression):