diff --git a/CTFd/__init__.py b/CTFd/__init__.py
index 144126f2..b5f2ba35 100644
--- a/CTFd/__init__.py
+++ b/CTFd/__init__.py
@@ -185,15 +185,15 @@ def create_app(config="CTFd.config.Config"):
         app.jinja_loader = jinja2.ChoiceLoader(loaders)
 
         from CTFd.models import (  # noqa: F401
-            db,
-            Teams,
-            Solves,
             Challenges,
             Fails,
-            Flags,
-            Tags,
             Files,
+            Flags,
+            Solves,
+            Tags,
+            Teams,
             Tracking,
+            db,
         )
 
         url = create_database()
@@ -214,8 +214,8 @@ def create_app(config="CTFd.config.Config"):
             # db.create_all call because tests use the in-memory SQLite
             # database (each connection, including db creation, is a new db).
             # https://docs.sqlalchemy.org/en/13/dialects/sqlite.html#foreign-key-support
-            from sqlalchemy.engine import Engine
             from sqlalchemy import event
+            from sqlalchemy.engine import Engine
 
             @event.listens_for(Engine, "connect")
             def set_sqlite_pragma(dbapi_connection, connection_record):
@@ -275,16 +275,16 @@ def create_app(config="CTFd.config.Config"):
         init_template_globals(app)
 
         # Importing here allows tests to use sensible names (e.g. api instead of api_bp)
-        from CTFd.views import views
-        from CTFd.teams import teams
-        from CTFd.users import users
-        from CTFd.challenges import challenges
-        from CTFd.scoreboard import scoreboard
-        from CTFd.auth import auth
         from CTFd.admin import admin
         from CTFd.api import api
-        from CTFd.events import events
+        from CTFd.auth import auth
+        from CTFd.challenges import challenges
         from CTFd.errors import render_error
+        from CTFd.events import events
+        from CTFd.scoreboard import scoreboard
+        from CTFd.teams import teams
+        from CTFd.users import users
+        from CTFd.views import views
 
         app.register_blueprint(views)
         app.register_blueprint(teams)
diff --git a/CTFd/admin/__init__.py b/CTFd/admin/__init__.py
index dedb2ea1..1c883cad 100644
--- a/CTFd/admin/__init__.py
+++ b/CTFd/admin/__init__.py
@@ -1,7 +1,7 @@
-import csv
+import csv  # noqa: I001
 import datetime
-import os
 from io import StringIO
+import os
 
 from flask import Blueprint, abort
 from flask import current_app as app
@@ -18,14 +18,14 @@ from flask import (
 admin = Blueprint("admin", __name__)
 
 # isort:imports-firstparty
-from CTFd.admin import challenges  # noqa: F401
-from CTFd.admin import notifications  # noqa: F401
-from CTFd.admin import pages  # noqa: F401
-from CTFd.admin import scoreboard  # noqa: F401
-from CTFd.admin import statistics  # noqa: F401
-from CTFd.admin import submissions  # noqa: F401
-from CTFd.admin import teams  # noqa: F401
-from CTFd.admin import users  # noqa: F401
+from CTFd.admin import challenges  # noqa: F401,I001
+from CTFd.admin import notifications  # noqa: F401,I001
+from CTFd.admin import pages  # noqa: F401,I001
+from CTFd.admin import scoreboard  # noqa: F401,I001
+from CTFd.admin import statistics  # noqa: F401,I001
+from CTFd.admin import submissions  # noqa: F401,I001
+from CTFd.admin import teams  # noqa: F401,I001
+from CTFd.admin import users  # noqa: F401,I001
 from CTFd.cache import (
     cache,
     clear_challenges,
diff --git a/CTFd/api/v1/challenges.py b/CTFd/api/v1/challenges.py
index 7cf734c8..d035221b 100644
--- a/CTFd/api/v1/challenges.py
+++ b/CTFd/api/v1/challenges.py
@@ -1,4 +1,4 @@
-from typing import List
+from typing import List  # noqa: I001
 
 from flask import abort, render_template, request, url_for
 from flask_restx import Namespace, Resource
diff --git a/CTFd/api/v1/statistics/__init__.py b/CTFd/api/v1/statistics/__init__.py
index bbe79ddd..cec5a6ce 100644
--- a/CTFd/api/v1/statistics/__init__.py
+++ b/CTFd/api/v1/statistics/__init__.py
@@ -5,7 +5,7 @@ statistics_namespace = Namespace(
 )
 
 # isort:imports-firstparty
-from CTFd.api.v1.statistics import challenges  # noqa: F401
+from CTFd.api.v1.statistics import challenges  # noqa: F401,I001
 from CTFd.api.v1.statistics import scores  # noqa: F401
 from CTFd.api.v1.statistics import submissions  # noqa: F401
 from CTFd.api.v1.statistics import teams  # noqa: F401
diff --git a/CTFd/auth.py b/CTFd/auth.py
index 3bbb5fa9..f261f253 100644
--- a/CTFd/auth.py
+++ b/CTFd/auth.py
@@ -1,4 +1,4 @@
-import base64
+import base64  # noqa: I001
 
 import requests
 from flask import Blueprint, abort
diff --git a/CTFd/cache/__init__.py b/CTFd/cache/__init__.py
index 94d7bcf0..bcbcc35c 100644
--- a/CTFd/cache/__init__.py
+++ b/CTFd/cache/__init__.py
@@ -60,7 +60,7 @@ def clear_config():
 
 
 def clear_standings():
-    from CTFd.models import Users, Teams
+    from CTFd.models import Users, Teams  # noqa: I001
     from CTFd.constants.static import CacheKeys
     from CTFd.utils.scores import get_standings, get_team_standings, get_user_standings
     from CTFd.api.v1.scoreboard import ScoreboardDetail, ScoreboardList
@@ -99,7 +99,7 @@ def clear_standings():
 
 
 def clear_challenges():
-    from CTFd.utils.challenges import get_all_challenges
+    from CTFd.utils.challenges import get_all_challenges  # noqa: I001
     from CTFd.utils.challenges import get_solves_for_challenge_id
     from CTFd.utils.challenges import get_solve_ids_for_user_id
     from CTFd.utils.challenges import get_solve_counts_for_challenges
@@ -124,7 +124,7 @@ def clear_user_recent_ips(user_id):
 
 
 def clear_user_session(user_id):
-    from CTFd.utils.user import (
+    from CTFd.utils.user import (  # noqa: I001
         get_user_attrs,
         get_user_place,
         get_user_score,
@@ -138,7 +138,7 @@ def clear_user_session(user_id):
 
 
 def clear_all_user_sessions():
-    from CTFd.utils.user import (
+    from CTFd.utils.user import (  # noqa: I001
         get_user_attrs,
         get_user_place,
         get_user_score,
diff --git a/CTFd/models/__init__.py b/CTFd/models/__init__.py
index 387b873b..0bd62d9d 100644
--- a/CTFd/models/__init__.py
+++ b/CTFd/models/__init__.py
@@ -501,7 +501,7 @@ class Users(db.Model):
         to no imports within the CTFd application as importing from the
         application itself will result in a circular import.
         """
-        from CTFd.utils.scores import get_user_standings
+        from CTFd.utils.scores import get_user_standings  # noqa: I001
         from CTFd.utils.humanize.numbers import ordinalize
 
         standings = get_user_standings(admin=admin)
@@ -618,7 +618,7 @@ class Teams(db.Model):
         ]
 
     def get_invite_code(self):
-        from flask import current_app
+        from flask import current_app  # noqa: I001
         from CTFd.utils.security.signing import serialize, hmac
 
         secret_key = current_app.config["SECRET_KEY"]
@@ -637,7 +637,7 @@ class Teams(db.Model):
 
     @classmethod
     def load_invite_code(cls, code):
-        from flask import current_app
+        from flask import current_app  # noqa: I001
         from CTFd.utils.security.signing import (
             unserialize,
             hmac,
@@ -736,7 +736,7 @@ class Teams(db.Model):
         to no imports within the CTFd application as importing from the
         application itself will result in a circular import.
         """
-        from CTFd.utils.scores import get_team_standings
+        from CTFd.utils.scores import get_team_standings  # noqa: I001
         from CTFd.utils.humanize.numbers import ordinalize
 
         standings = get_team_standings(admin=admin)
diff --git a/CTFd/plugins/migrations.py b/CTFd/plugins/migrations.py
index cf4ddea7..36bcae47 100644
--- a/CTFd/plugins/migrations.py
+++ b/CTFd/plugins/migrations.py
@@ -1,4 +1,4 @@
-import inspect
+import inspect  # noqa: I001
 import os
 
 from alembic.config import Config
diff --git a/CTFd/utils/initialization/__init__.py b/CTFd/utils/initialization/__init__.py
index 7379b36e..9eacb0f8 100644
--- a/CTFd/utils/initialization/__init__.py
+++ b/CTFd/utils/initialization/__init__.py
@@ -52,7 +52,7 @@ def init_template_filters(app):
 
 
 def init_template_globals(app):
-    from CTFd.constants import JINJA_ENUMS
+    from CTFd.constants import JINJA_ENUMS  # noqa: I001
     from CTFd.constants.assets import Assets
     from CTFd.constants.config import Configs
     from CTFd.constants.plugins import Plugins
diff --git a/CTFd/utils/user/__init__.py b/CTFd/utils/user/__init__.py
index 077e953d..dcf16725 100644
--- a/CTFd/utils/user/__init__.py
+++ b/CTFd/utils/user/__init__.py
@@ -1,4 +1,4 @@
-import datetime
+import datetime  # noqa: I001
 import re
 
 from flask import abort
diff --git a/CTFd/views.py b/CTFd/views.py
index 8876bab8..72b1c5b9 100644
--- a/CTFd/views.py
+++ b/CTFd/views.py
@@ -1,4 +1,4 @@
-import os
+import os  # noqa: I001
 
 from flask import Blueprint, abort
 from flask import current_app as app
diff --git a/Makefile b/Makefile
index f7da0961..e9734a98 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 lint:
-	flake8 --ignore=E402,E501,E712,W503,E203 --exclude=CTFd/uploads CTFd/ migrations/ tests/
+	ruff check --select E,F,W,B,C4,I --ignore E402,E501,E712,B904,B905 --exclude=CTFd/uploads CTFd/ migrations/ tests/
 	yarn lint
 	black --check --diff --exclude=CTFd/uploads --exclude=node_modules .
 	prettier --check 'CTFd/themes/**/assets/**/*'
diff --git a/development.txt b/development.txt
index 100f2b01..d1bbf9f0 100644
--- a/development.txt
+++ b/development.txt
@@ -3,7 +3,7 @@ pip-tools==5.4.0
 pytest==5.4.2
 pytest-randomly==3.4.0
 coverage==5.1
-flake8==3.8.2
+ruff==0.0.260
 psycopg2-binary==2.8.6
 codecov==2.1.7
 moto==1.3.16
@@ -14,10 +14,7 @@ pytest-cov==2.9.0
 sphinx_rtd_theme==0.4.3
 flask-debugtoolbar==0.11.0
 isort==4.3.21
-flake8-isort==3.0.0
 Faker==4.1.0
 pipdeptree==2.2.0
 black==19.10b0
 pytest-sugar==0.9.4
-flake8-comprehensions==3.3.1
-flake8-bugbear==20.11.1
diff --git a/migrations/env.py b/migrations/env.py
index 5f824edb..f30d8fc9 100644
--- a/migrations/env.py
+++ b/migrations/env.py
@@ -1,4 +1,4 @@
-from __future__ import with_statement
+from __future__ import with_statement  # noqa: I001
 
 import logging
 from logging.config import fileConfig
diff --git a/migrations/versions/0366ba6575ca_add_table_for_comments.py b/migrations/versions/0366ba6575ca_add_table_for_comments.py
index e7a696b1..e26e5090 100644
--- a/migrations/versions/0366ba6575ca_add_table_for_comments.py
+++ b/migrations/versions/0366ba6575ca_add_table_for_comments.py
@@ -5,7 +5,7 @@ Revises: 1093835a1051
 Create Date: 2020-08-14 00:46:54.161120
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/migrations/versions/07dfbe5e1edc_add_format_to_pages.py b/migrations/versions/07dfbe5e1edc_add_format_to_pages.py
index bedd74c4..a90ea89a 100644
--- a/migrations/versions/07dfbe5e1edc_add_format_to_pages.py
+++ b/migrations/versions/07dfbe5e1edc_add_format_to_pages.py
@@ -5,7 +5,7 @@ Revises: 75e8ab9a0014
 Create Date: 2021-06-15 19:57:37.410152
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/migrations/versions/46a278193a94_enable_millisecond_precision_in_mysql_.py b/migrations/versions/46a278193a94_enable_millisecond_precision_in_mysql_.py
index c0fd0c02..71829074 100644
--- a/migrations/versions/46a278193a94_enable_millisecond_precision_in_mysql_.py
+++ b/migrations/versions/46a278193a94_enable_millisecond_precision_in_mysql_.py
@@ -5,7 +5,7 @@ Revises: 4d3c1b59d011
 Create Date: 2022-11-01 23:27:44.620893
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 from sqlalchemy.dialects import mysql
 
 
diff --git a/migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py b/migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py
index fff0b276..7b39a3bf 100644
--- a/migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py
+++ b/migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py
@@ -5,7 +5,7 @@ Revises: 6012fe8de495
 Create Date: 2022-04-07 03:53:27.554190
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/migrations/versions/6012fe8de495_add_connection_info_column_to_challenges.py b/migrations/versions/6012fe8de495_add_connection_info_column_to_challenges.py
index 4ed0fbc4..2c5e85a4 100644
--- a/migrations/versions/6012fe8de495_add_connection_info_column_to_challenges.py
+++ b/migrations/versions/6012fe8de495_add_connection_info_column_to_challenges.py
@@ -5,7 +5,7 @@ Revises: ef87d69ec29a
 Create Date: 2021-07-30 03:50:54.219124
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/migrations/versions/75e8ab9a0014_add_fields_and_fieldentries_tables.py b/migrations/versions/75e8ab9a0014_add_fields_and_fieldentries_tables.py
index 4bef4cb6..f09170b3 100644
--- a/migrations/versions/75e8ab9a0014_add_fields_and_fieldentries_tables.py
+++ b/migrations/versions/75e8ab9a0014_add_fields_and_fieldentries_tables.py
@@ -5,7 +5,7 @@ Revises: 0366ba6575ca
 Create Date: 2020-08-19 00:36:17.579497
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/migrations/versions/a03403986a32_add_theme_code_injections_to_configs.py b/migrations/versions/a03403986a32_add_theme_code_injections_to_configs.py
index fc4349fa..7279641f 100644
--- a/migrations/versions/a03403986a32_add_theme_code_injections_to_configs.py
+++ b/migrations/versions/a03403986a32_add_theme_code_injections_to_configs.py
@@ -5,7 +5,7 @@ Revises: 080d29b15cd3
 Create Date: 2020-02-13 01:10:16.430424
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 from sqlalchemy.sql import column, table
 
 from CTFd.models import db
diff --git a/migrations/versions/ef87d69ec29a_add_topics_and_challenge_topics_tables.py b/migrations/versions/ef87d69ec29a_add_topics_and_challenge_topics_tables.py
index 1e87ca8d..a1ea7e6c 100644
--- a/migrations/versions/ef87d69ec29a_add_topics_and_challenge_topics_tables.py
+++ b/migrations/versions/ef87d69ec29a_add_topics_and_challenge_topics_tables.py
@@ -5,7 +5,7 @@ Revises: 07dfbe5e1edc
 Create Date: 2021-07-29 23:22:39.345426
 
 """
-from alembic import op
+from alembic import op  # noqa: I001
 import sqlalchemy as sa
 
 
diff --git a/tests/cache/test_challenges.py b/tests/cache/test_challenges.py
index 73093d5c..b139f742 100644
--- a/tests/cache/test_challenges.py
+++ b/tests/cache/test_challenges.py
@@ -60,7 +60,7 @@ def test_deleting_challenge_clears_cache_solves():
             data = req.get_json()["data"]
             challenge = data[0]
             assert challenge["solves"] == 1
-            from CTFd.utils.challenges import (
+            from CTFd.utils.challenges import (  # noqa: I001
                 get_solves_for_challenge_id,
                 get_solve_counts_for_challenges,
             )
@@ -100,7 +100,7 @@ def test_deleting_solve_clears_cache():
             data = req.get_json()["data"]
             challenge = data[0]
             assert challenge["solves"] == 1
-            from CTFd.utils.challenges import (
+            from CTFd.utils.challenges import (  # noqa: I001
                 get_solves_for_challenge_id,
                 get_solve_counts_for_challenges,
             )
diff --git a/tests/constants/test_constants.py b/tests/constants/test_constants.py
index 2d74537e..144d2902 100644
--- a/tests/constants/test_constants.py
+++ b/tests/constants/test_constants.py
@@ -24,7 +24,7 @@ def test_RawEnum():
 
 
 def test_JSEnum():
-    from CTFd.constants import JS_ENUMS
+    from CTFd.constants import JS_ENUMS  # noqa: I001
     import json
 
     @JSEnum