diff --git a/.eslintrc.js b/.eslintrc.js
index 0a68f4c..2b0bf29 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -9,19 +9,35 @@ module.exports = {
     'plugin:import/warnings',
   ],
   rules: {
+    'class-methods-use-this': 'error', // FIXME: refactor
+    'max-len': 'off',
     'no-plusplus': 'off',
     'no-console': 'off',
     'no-underscore-dangle': 'off',
     'no-param-reassign': 'off',
     'no-unused-vars': 'off',
+    'no-use-before-define': ['error', { functions: true, classes: true, variables: false }], // disable the rule for variables, but enable it for functions and classes
+
     'react/prefer-stateless-function': 1,
     'react/prop-types': 'off', // FIXME: typescript
-    'class-methods-use-this': 'error', // FIXME: refactor
     'react/jsx-filename-extension': ['error', { extensions: ['.js', '.jsx'] }],
     'react/sort-comp': 'off',
-    'max-len': 'off',
-    'no-use-before-define': ['error', { functions: true, classes: true, variables: false }], // disable the rule for variables, but enable it for functions and classes
     'react-native/no-inline-styles': 'off', // FIXME: refactor
+    'import/no-extraneous-dependencies': [
+      'error',
+      {
+        devDependencies: ['**/*.test.js', '**/*.spec.js', '**/__tests__/**'],
+      },
+    ],
+    'import/prefer-default-export': 'off',
+    'import/order': [
+      'error',
+      {
+        groups: ['builtin', 'external', 'internal', ['parent', 'sibling', 'index']],
+        'newlines-between': 'always',
+        alphabetize: { order: 'asc' },
+      },
+    ],
     'unused-imports/no-unused-imports': 'error',
   },
   plugins: ['prettier', 'unused-imports'],
diff --git a/index.js b/index.js
index 452430f..d6c810f 100644
--- a/index.js
+++ b/index.js
@@ -2,9 +2,8 @@
 import { AppRegistry } from 'react-native';
 // import * as Sentry from '@sentry/react-native';
 
-import App from './src/App';
-
 import { name as appName } from './app.json';
+import App from './src/App';
 
 // if (Config.SENTRY_DSN) {
 //   Sentry.init({ dsn: Config.SENTRY_DSN });
diff --git a/package.json b/package.json
index 552e19a..2d51369 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
     "android": "expo start --android",
     "ios": "expo start --ios",
     "web": "expo start --web",
-    "lint": "eslint ."
+    "lint": "eslint .",
+    "format": "eslint --fix ."
   },
   "dependencies": {
     "@apollo/client": "^3.7.17",
diff --git a/src/App.js b/src/App.js
index 54c61e4..688b672 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,17 +1,16 @@
-import React from 'react';
-import { Provider } from 'react-redux';
-import { PersistGate } from 'redux-persist/integration/react';
 import { ApolloClient, HttpLink, InMemoryCache, ApolloProvider } from '@apollo/client';
 import { StripeProvider } from '@stripe/stripe-react-native';
-import { GestureHandlerRootView } from 'react-native-gesture-handler';
-import { LogBox } from 'react-native';
-
 import Constants from 'expo-constants';
-import { loadTheme } from './theme';
-import { useDeepLinking } from './hooks';
+import React from 'react';
+import { LogBox } from 'react-native';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
+import { Provider } from 'react-redux';
+import { PersistGate } from 'redux-persist/integration/react';
 
 import Dusken from './Dusken';
+import { useDeepLinking } from './hooks';
 import { store, persistor } from './reduxStore';
+import { loadTheme } from './theme';
 
 const apolloClient = new ApolloClient({
   link: new HttpLink({ uri: `${process.env.EXPO_PUBLIC_DUSKEN_API_URL}/api/graphql/` }),
diff --git a/src/Dusken.js b/src/Dusken.js
index 2822c51..cd766f9 100644
--- a/src/Dusken.js
+++ b/src/Dusken.js
@@ -1,6 +1,6 @@
+import { NativeBaseProvider } from 'native-base';
 import React, { useEffect } from 'react';
 import { connect } from 'react-redux';
-import { NativeBaseProvider } from 'native-base';
 
 import Navigation from './Navigation';
 import { logout as logoutAction, registerUserSuccess as registerUserSuccessAction } from './actions';
diff --git a/src/Navigation.js b/src/Navigation.js
index 066018d..b960dfa 100644
--- a/src/Navigation.js
+++ b/src/Navigation.js
@@ -1,17 +1,15 @@
-import React from 'react';
+import { SimpleLineIcons as Icon } from '@expo/vector-icons';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 import { NavigationContainer } from '@react-navigation/native';
 import { createNativeStackNavigator } from '@react-navigation/native-stack';
-import { SimpleLineIcons as Icon } from '@expo/vector-icons';
+import React from 'react';
 
-import EventList from './modules/events/EventList';
-import EventDetail from './modules/events/EventDetail';
-
-import Membership from './modules/membership/Membership';
-import Login from './modules/login/Login';
 import About from './modules/about/About';
+import EventDetail from './modules/events/EventDetail';
+import EventList from './modules/events/EventList';
+import Login from './modules/login/Login';
+import Membership from './modules/membership/Membership';
 import UserRegister from './modules/register/UserRegister';
-
 import theme from './theme';
 
 // This looks ugly, even though it's a recommended style from the branding profile.
diff --git a/src/__tests__/app.js b/src/__tests__/app.js
index 832a109..7fcf427 100644
--- a/src/__tests__/app.js
+++ b/src/__tests__/app.js
@@ -1,6 +1,6 @@
 import 'react-native';
-import React from 'react';
 import { render } from '@testing-library/react-native';
+import React from 'react';
 
 import App from '../App';
 
diff --git a/src/components/FormErrors.js b/src/components/FormErrors.js
index eeeb4ae..1a2cc29 100644
--- a/src/components/FormErrors.js
+++ b/src/components/FormErrors.js
@@ -1,6 +1,6 @@
+import { Alert, HStack } from 'native-base';
 import React from 'react';
 import { Text } from 'react-native';
-import { Alert, HStack } from 'native-base';
 
 const FormErrors = ({ errors }) => {
   if (!Object.keys(errors).length || !['non_field_errors', 'detail'].some((errorField) => errorField in errors)) {
diff --git a/src/components/FormInput.js b/src/components/FormInput.js
index 93e0e36..5298ed9 100644
--- a/src/components/FormInput.js
+++ b/src/components/FormInput.js
@@ -1,8 +1,7 @@
+import { Input, Text, WarningOutlineIcon, FormControl } from 'native-base';
 import React from 'react';
 import { Controller } from 'react-hook-form';
 
-import { Input, Text, WarningOutlineIcon, FormControl } from 'native-base';
-
 const FormInput = ({
   control,
   errors,
diff --git a/src/hooks.js b/src/hooks.js
index 1e0cc7b..70f171f 100644
--- a/src/hooks.js
+++ b/src/hooks.js
@@ -1,6 +1,6 @@
+import { useStripe } from '@stripe/stripe-react-native';
 import { useCallback, useRef, useEffect } from 'react';
 import { Linking } from 'react-native';
-import { useStripe } from '@stripe/stripe-react-native';
 
 export function usePrevious(value) {
   const ref = useRef();
diff --git a/src/modules/about/About.js b/src/modules/about/About.js
index cc44359..eff5c0c 100644
--- a/src/modules/about/About.js
+++ b/src/modules/about/About.js
@@ -1,3 +1,4 @@
+import { SimpleLineIcons as SimpleIcon, FontAwesome5 as FAIcon } from '@expo/vector-icons';
 import React from 'react';
 import {
   Text,
@@ -10,12 +11,10 @@ import {
   ScrollView,
   Dimensions,
 } from 'react-native';
-
-import { SimpleLineIcons as SimpleIcon, FontAwesome5 as FAIcon } from '@expo/vector-icons';
 import { Button } from 'react-native-ui-lib';
-import theme from '../../theme';
 
 import logo from '../../../assets/DNS-logo-svart.png';
+import theme from '../../theme';
 
 const CHATEAU_NEUF_ADDRESS = 'Det Norske Studentersamfund, Slemdalsveien 15, 0369 Oslo';
 
diff --git a/src/modules/events/EventDetail.js b/src/modules/events/EventDetail.js
index 9eb2c62..eb1b755 100644
--- a/src/modules/events/EventDetail.js
+++ b/src/modules/events/EventDetail.js
@@ -1,3 +1,5 @@
+import { FontAwesome } from '@expo/vector-icons';
+import moment from 'moment';
 import React from 'react';
 import {
   Linking,
@@ -11,8 +13,6 @@ import {
   useWindowDimensions,
 } from 'react-native';
 import RenderHtml from 'react-native-render-html';
-import moment from 'moment';
-import { FontAwesome } from '@expo/vector-icons';
 
 import theme from '../../theme';
 
diff --git a/src/modules/events/EventList.js b/src/modules/events/EventList.js
index 7e761f6..d8c8aeb 100644
--- a/src/modules/events/EventList.js
+++ b/src/modules/events/EventList.js
@@ -1,9 +1,8 @@
-import { StyleSheet, View, Platform, SectionList, TouchableOpacity } from 'react-native';
-import { Card, Text, Spinner, ArrowForwardIcon, HStack } from 'native-base';
-import { Button } from 'react-native-ui-lib';
-
-import React from 'react';
 import moment from 'moment';
+import { Card, Text, Spinner, ArrowForwardIcon, HStack } from 'native-base';
+import React from 'react';
+import { StyleSheet, View, Platform, SectionList, TouchableOpacity } from 'react-native';
+import { Button } from 'react-native-ui-lib';
 import 'moment/locale/nb';
 
 import useEventList from './useEventList';
diff --git a/src/modules/events/useEventList.js b/src/modules/events/useEventList.js
index 3b5b59b..727512f 100644
--- a/src/modules/events/useEventList.js
+++ b/src/modules/events/useEventList.js
@@ -1,8 +1,8 @@
-import { useEffect, useState } from 'react';
+import { useNavigation } from '@react-navigation/native';
 import moment from 'moment';
+import { useEffect, useState } from 'react';
 import 'moment/locale/nb';
 
-import { useNavigation } from '@react-navigation/native';
 import { fetchWithTimeout } from '../../utils';
 
 moment.locale('nb');
diff --git a/src/modules/login/Login.js b/src/modules/login/Login.js
index da434a1..3db790a 100644
--- a/src/modules/login/Login.js
+++ b/src/modules/login/Login.js
@@ -1,12 +1,12 @@
+import { ScrollView } from 'native-base';
 import React from 'react';
 import { ActivityIndicator, Linking, StyleSheet, View, Text } from 'react-native';
-import { ScrollView } from 'native-base';
 import { Button } from 'react-native-ui-lib';
 
-import theme from '../../theme';
 import useLogin from './useLogin';
-import FormInput from '../../components/FormInput';
 import FormErrors from '../../components/FormErrors';
+import FormInput from '../../components/FormInput';
+import theme from '../../theme';
 
 const Login = () => {
   const { isLoggingIn, errors, control, setFocus, onSubmit } = useLogin();
diff --git a/src/modules/login/useLogin.js b/src/modules/login/useLogin.js
index 4c492be..ea15dc8 100644
--- a/src/modules/login/useLogin.js
+++ b/src/modules/login/useLogin.js
@@ -1,7 +1,7 @@
 import { useNavigation } from '@react-navigation/native';
 import { useEffect } from 'react';
-import { useDispatch, useSelector } from 'react-redux';
 import { useForm } from 'react-hook-form';
+import { useDispatch, useSelector } from 'react-redux';
 
 import { requestLogin } from '../../api';
 
diff --git a/src/modules/membership/Membership.js b/src/modules/membership/Membership.js
index 7b32403..f0ab45d 100644
--- a/src/modules/membership/Membership.js
+++ b/src/modules/membership/Membership.js
@@ -1,10 +1,10 @@
 import React from 'react';
 import { View, StyleSheet, ActivityIndicator } from 'react-native';
 
-import theme from '../../theme';
-import useMembership from './useMembership';
 import MembershipInfo from './MembershipInfo';
 import Proof from './Proof';
+import useMembership from './useMembership';
+import theme from '../../theme';
 
 const Membership = () => {
   const { isFetchingUserData, onRegisterPress, onLoginPress, onLogoutPress, user, isAuthenticated, fetchUser } =
diff --git a/src/modules/membership/MembershipInfo.js b/src/modules/membership/MembershipInfo.js
index 1f393a9..8c7f4f0 100644
--- a/src/modules/membership/MembershipInfo.js
+++ b/src/modules/membership/MembershipInfo.js
@@ -1,7 +1,7 @@
 import React from 'react';
-
 import { ScrollView, Text, View, StyleSheet } from 'react-native';
 import { Button } from 'react-native-ui-lib';
+
 import theme from '../../theme';
 
 const MembershipInfo = ({ onRegister, onLogin }) => (
diff --git a/src/modules/membership/Proof.js b/src/modules/membership/Proof.js
index 6428b68..b71b9a2 100644
--- a/src/modules/membership/Proof.js
+++ b/src/modules/membership/Proof.js
@@ -10,13 +10,12 @@ import {
   ActivityIndicator,
   Dimensions,
 } from 'react-native';
-import { Button, Incubator } from 'react-native-ui-lib';
 import Confetti from 'react-native-confetti';
+import { Button, Incubator } from 'react-native-ui-lib';
 
-import theme from '../../theme';
 import useProof from './useProof';
-
 import logo from '../../../assets/DNS-logo-svart.png';
+import theme from '../../theme';
 
 const { Toast } = Incubator;
 
diff --git a/src/modules/membership/useProof.js b/src/modules/membership/useProof.js
index c323d27..c6de667 100644
--- a/src/modules/membership/useProof.js
+++ b/src/modules/membership/useProof.js
@@ -1,8 +1,8 @@
-import { useEffect, useState } from 'react';
-import { useSelector } from 'react-redux';
 import { gql, useQuery } from '@apollo/client';
 import { useStripe } from '@stripe/stripe-react-native';
 import Constants from 'expo-constants';
+import { useEffect, useState } from 'react';
+import { useSelector } from 'react-redux';
 
 import { requestStripePaymentSheet } from '../../api';
 
diff --git a/src/modules/register/UserRegister.js b/src/modules/register/UserRegister.js
index c7de3c7..88ae328 100644
--- a/src/modules/register/UserRegister.js
+++ b/src/modules/register/UserRegister.js
@@ -1,13 +1,12 @@
+import * as EmailValidator from 'email-validator';
 import React from 'react';
+import { ActivityIndicator, StyleSheet, View, Text, ScrollView } from 'react-native';
 import { Button, Incubator } from 'react-native-ui-lib';
 
-import { ActivityIndicator, StyleSheet, View, Text, ScrollView } from 'react-native';
-import * as EmailValidator from 'email-validator';
-
-import theme from '../../theme';
 import useUserRegister from './useUserRegister';
-import FormInput from '../../components/FormInput';
 import FormErrors from '../../components/FormErrors';
+import FormInput from '../../components/FormInput';
+import theme from '../../theme';
 
 const { Toast } = Incubator;
 
diff --git a/src/modules/register/useUserRegister.js b/src/modules/register/useUserRegister.js
index bee8692..6a4d2e7 100644
--- a/src/modules/register/useUserRegister.js
+++ b/src/modules/register/useUserRegister.js
@@ -1,10 +1,10 @@
 import { useNavigation } from '@react-navigation/native';
 import { useEffect, useState } from 'react';
-import { useSelector, useDispatch } from 'react-redux';
 import { useForm } from 'react-hook-form';
+import { useSelector, useDispatch } from 'react-redux';
 
-import { usePrevious } from '../../hooks';
 import { requestRegisterUser } from '../../api';
+import { usePrevious } from '../../hooks';
 
 const useUserRegister = () => {
   const dispatch = useDispatch();
diff --git a/src/reducers.js b/src/reducers.js
index aaba177..c54c5c2 100644
--- a/src/reducers.js
+++ b/src/reducers.js
@@ -13,7 +13,6 @@ import {
   MEMBERSHIP_CHARGE_FAILURE,
   MEMBERSHIP_CHARGE_SUCCESS,
 } from './actions';
-
 import { snakeToCamelCase } from './utils';
 
 const initialState = {
diff --git a/src/reduxStore.js b/src/reduxStore.js
index d6e5682..322f904 100644
--- a/src/reduxStore.js
+++ b/src/reduxStore.js
@@ -1,6 +1,6 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
 import { applyMiddleware, createStore } from 'redux';
 import { persistStore, persistReducer } from 'redux-persist';
-import AsyncStorage from '@react-native-async-storage/async-storage';
 import thunk from 'redux-thunk';
 
 import rootReducer from './reducers';