diff --git a/.prettierrc b/.prettierrc
index c06cd1fd079..c90e0affa19 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -2,5 +2,6 @@
   "printWidth": 80,
   "semi": true,
   "singleQuote": true,
+  "arrowParens": "avoid",
   "trailingComma": "all"
 }
diff --git a/package.json b/package.json
index 2daf2d2bb5e..d7d42a6a69e 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@anansi/babel-preset": "^1.2.0",
-    "@anansi/eslint-plugin": "^0.8.6",
+    "@anansi/eslint-plugin": "^0.9.0",
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.9.0",
     "@commitlint/cli": "^8.3.5",
@@ -63,7 +63,7 @@
     "jest": "^25.1.0",
     "lerna": "^3.20.2",
     "nock": "^12.0.0",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.1",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-test-renderer": "^16.13.1",
diff --git a/packages/legacy/src/__tests__/useStatefulResource.tsx b/packages/legacy/src/__tests__/useStatefulResource.tsx
index 2bed383d1f2..96d143a69dc 100644
--- a/packages/legacy/src/__tests__/useStatefulResource.tsx
+++ b/packages/legacy/src/__tests__/useStatefulResource.tsx
@@ -1,6 +1,5 @@
 import { CoolerArticleResource } from '__tests__/common';
 import { makeRenderRestHook, makeCacheProvider } from '@rest-hooks/test';
-
 import nock from 'nock';
 
 import { payload, users, nested } from './fixtures';
diff --git a/packages/legacy/src/index.ts b/packages/legacy/src/index.ts
index fd88ce05236..76e4b80f958 100644
--- a/packages/legacy/src/index.ts
+++ b/packages/legacy/src/index.ts
@@ -6,7 +6,6 @@ import {
   useDenormalized,
   __INTERNAL__,
 } from 'rest-hooks';
-
 import { useContext } from 'react';
 
 /** Ensure a resource is available; loading and error returned explicitly. */
diff --git a/packages/rest-hooks/src/react-integration/__tests__/hooks.tsx b/packages/rest-hooks/src/react-integration/__tests__/hooks.tsx
index 92c26065bdb..f056601ba56 100644
--- a/packages/rest-hooks/src/react-integration/__tests__/hooks.tsx
+++ b/packages/rest-hooks/src/react-integration/__tests__/hooks.tsx
@@ -4,7 +4,6 @@ import {
   ArticleResourceWithOtherListUrl,
   StaticArticleResource,
 } from '__tests__/common';
-
 import React, { Suspense, useEffect } from 'react';
 import { render } from '@testing-library/react';
 import { renderHook } from '@testing-library/react-hooks';
@@ -367,10 +366,7 @@ describe('useRetrieve', () => {
     global.Date.now = jest.fn(() => time);
     nock.cleanAll();
     const fetchMock = jest.fn(() => payload);
-    mynock
-      .get(`/article-cooler/${payload.id}`)
-      .reply(200, fetchMock)
-      .persist();
+    mynock.get(`/article-cooler/${payload.id}`).reply(200, fetchMock).persist();
     const results: any[] = [
       {
         request: CoolerArticleResource.detailShape(),
diff --git a/packages/rest-hooks/src/react-integration/__tests__/integration.tsx b/packages/rest-hooks/src/react-integration/__tests__/integration.tsx
index 2c57bc07716..321a5ced38d 100644
--- a/packages/rest-hooks/src/react-integration/__tests__/integration.tsx
+++ b/packages/rest-hooks/src/react-integration/__tests__/integration.tsx
@@ -5,7 +5,6 @@ import {
   UserResource,
   ArticleResourceWithOtherListUrl,
 } from '__tests__/common';
-
 import React from 'react';
 import nock from 'nock';
 import { act } from '@testing-library/react-hooks';
diff --git a/packages/rest-hooks/src/react-integration/__tests__/useResource.tsx b/packages/rest-hooks/src/react-integration/__tests__/useResource.tsx
index 5e760c31c28..8d1466dd7a5 100644
--- a/packages/rest-hooks/src/react-integration/__tests__/useResource.tsx
+++ b/packages/rest-hooks/src/react-integration/__tests__/useResource.tsx
@@ -133,10 +133,7 @@ describe('useResource()', () => {
       .get(`/article-cooler/${payload.id}`)
       .delay(1000)
       .reply(200, payload);
-    nock('http://test.com')
-      .get(`/user/`)
-      .delay(2000)
-      .reply(200, users);
+    nock('http://test.com').get(`/user/`).delay(2000).reply(200, users);
 
     function MultiResourceTester() {
       try {
diff --git a/packages/rest-hooks/src/react-integration/hooks/useCache.ts b/packages/rest-hooks/src/react-integration/hooks/useCache.ts
index e9cd20d410b..35b6097d5d0 100644
--- a/packages/rest-hooks/src/react-integration/hooks/useCache.ts
+++ b/packages/rest-hooks/src/react-integration/hooks/useCache.ts
@@ -1,7 +1,6 @@
 import { StateContext } from 'rest-hooks/react-integration/context';
 import { ReadShape, ParamsFromShape } from 'rest-hooks/resource';
 import { useDenormalized } from 'rest-hooks/state/selectors';
-
 import { useContext } from 'react';
 
 /** Access a resource if it is available. */
diff --git a/packages/rest-hooks/src/react-integration/provider/CacheProvider.tsx b/packages/rest-hooks/src/react-integration/provider/CacheProvider.tsx
index 9bb8e6a071d..5d1c6f22abb 100644
--- a/packages/rest-hooks/src/react-integration/provider/CacheProvider.tsx
+++ b/packages/rest-hooks/src/react-integration/provider/CacheProvider.tsx
@@ -10,7 +10,6 @@ import SubscriptionManager from 'rest-hooks/state/SubscriptionManager';
 import PollingSubscription from 'rest-hooks/state/PollingSubscription';
 import { State, Manager } from 'rest-hooks/types';
 import useEnhancedReducer from '@rest-hooks/use-enhanced-reducer';
-
 import React, { ReactNode, useEffect, useMemo } from 'react';
 
 interface ProviderProps {
diff --git a/packages/rest-hooks/src/react-integration/provider/__tests__/provider.tsx b/packages/rest-hooks/src/react-integration/provider/__tests__/provider.tsx
index 544251466ca..2807e6ee9c4 100644
--- a/packages/rest-hooks/src/react-integration/provider/__tests__/provider.tsx
+++ b/packages/rest-hooks/src/react-integration/provider/__tests__/provider.tsx
@@ -1,6 +1,5 @@
 import { CoolerArticleResource } from '__tests__/common';
 import { RECEIVE_TYPE } from 'rest-hooks/actionTypes';
-
 import React, { useContext } from 'react';
 import { act, render } from '@testing-library/react';
 
diff --git a/packages/rest-hooks/src/state/__tests__/merge.tsx b/packages/rest-hooks/src/state/__tests__/merge.tsx
index 470f2552b9c..cc4f239c03f 100644
--- a/packages/rest-hooks/src/state/__tests__/merge.tsx
+++ b/packages/rest-hooks/src/state/__tests__/merge.tsx
@@ -85,8 +85,8 @@ describe('mergeDeepCopy()', () => {
     });
   });
 
-  describe('basics', function() {
-    it('should merge `source` into `object`', function() {
+  describe('basics', function () {
+    it('should merge `source` into `object`', function () {
       const names = {
         characters: [{ name: 'barney' }, { name: 'fred' }],
       };
@@ -105,7 +105,7 @@ describe('mergeDeepCopy()', () => {
       expect(mergeDeepCopy(names, ages)).toStrictEqual(expected);
     });
 
-    it('should treat sparse array sources as dense', function() {
+    it('should treat sparse array sources as dense', function () {
       const array = [1];
       array[3] = 3;
 
@@ -121,18 +121,18 @@ describe('mergeDeepCopy()', () => {
       expect(actual).toStrictEqual(expected);
     });
 
-    it('should assign `null` values', function() {
+    it('should assign `null` values', function () {
       const actual = mergeDeepCopy({ a: 1 }, { a: null });
       expect(actual.a).toBe(null);
     });
 
-    it('should assign non array/buffer/typed-array/plain-object source values directly', function() {
+    it('should assign non array/buffer/typed-array/plain-object source values directly', function () {
       class Foo {}
 
       const values = [true, new Date(), Foo, 5, '', new RegExp('')],
         expected = values.map(() => true);
 
-      const actual = values.map(function(value) {
+      const actual = values.map(function (value) {
         const object = mergeDeepCopy({}, { a: value, b: { c: value } });
         return object.a === value && object.b.c === value;
       });
@@ -140,7 +140,7 @@ describe('mergeDeepCopy()', () => {
       expect(actual).toStrictEqual(expected);
     });
 
-    it('should not augment source objects', function() {
+    it('should not augment source objects', function () {
       const source1 = { a: [{ a: 1 }] },
         source2 = { a: [{ b: 2 }] },
         actual = mergeDeepCopy(source1, source2);
@@ -158,12 +158,12 @@ describe('mergeDeepCopy()', () => {
       expect(actualb.a).toStrictEqual([[3, 4, 3]]);
     });
 
-    it('should not overwrite existing values with `undefined` values of object sources', function() {
+    it('should not overwrite existing values with `undefined` values of object sources', function () {
       const actual = mergeDeepCopy({ a: 1 }, { a: undefined, b: undefined });
       expect(actual).toStrictEqual({ a: 1, b: undefined });
     });
 
-    it('should not overwrite existing values with `undefined` values of array sources', function() {
+    it('should not overwrite existing values with `undefined` values of array sources', function () {
       let array: any[] = [1];
       array[2] = 3;
 
diff --git a/packages/rest-hooks/src/state/selectors/__tests__/useDenormalized.ts b/packages/rest-hooks/src/state/selectors/__tests__/useDenormalized.ts
index a445b3fd9df..475e0ae8e9b 100644
--- a/packages/rest-hooks/src/state/selectors/__tests__/useDenormalized.ts
+++ b/packages/rest-hooks/src/state/selectors/__tests__/useDenormalized.ts
@@ -7,7 +7,6 @@ import {
 } from '__tests__/common';
 import { normalize, NormalizedIndex } from 'rest-hooks/resource';
 import { initialState } from 'rest-hooks/state/reducer';
-
 import { renderHook, act } from '@testing-library/react-hooks';
 import { useState } from 'react';
 
diff --git a/packages/rest-hooks/src/state/selectors/useDenormalized.ts b/packages/rest-hooks/src/state/selectors/useDenormalized.ts
index dc8af566f5c..192d16efdfa 100644
--- a/packages/rest-hooks/src/state/selectors/useDenormalized.ts
+++ b/packages/rest-hooks/src/state/selectors/useDenormalized.ts
@@ -6,7 +6,6 @@ import {
   DenormalizeNullable,
   ParamsFromShape,
 } from 'rest-hooks/resource';
-
 import { useMemo } from 'react';
 
 import buildInferredResults from './buildInferredResults';
diff --git a/packages/test/src/MockProvider.tsx b/packages/test/src/MockProvider.tsx
index 7830df84a52..799f110530d 100644
--- a/packages/test/src/MockProvider.tsx
+++ b/packages/test/src/MockProvider.tsx
@@ -1,5 +1,4 @@
 import { __INTERNAL__, ActionTypes } from 'rest-hooks';
-
 import React from 'react';
 
 import mockState, { Fixture } from './mockState';
diff --git a/packages/test/src/makeRenderRestHook.tsx b/packages/test/src/makeRenderRestHook.tsx
index 236febefdb9..7c69c5f6735 100644
--- a/packages/test/src/makeRenderRestHook.tsx
+++ b/packages/test/src/makeRenderRestHook.tsx
@@ -1,5 +1,4 @@
 import { State, SubscriptionManager, Manager } from 'rest-hooks';
-
 import React from 'react';
 import { renderHook, RenderHookOptions } from '@testing-library/react-hooks';
 
diff --git a/packages/test/src/managers.ts b/packages/test/src/managers.ts
index 2d5fbf654ce..04bc730e0c2 100644
--- a/packages/test/src/managers.ts
+++ b/packages/test/src/managers.ts
@@ -5,7 +5,6 @@ import {
   Dispatch,
   PollingSubscription,
 } from 'rest-hooks';
-
 import { act } from '@testing-library/react-hooks';
 
 export class MockNetworkManager extends NetworkManager {
diff --git a/packages/test/src/providers.tsx b/packages/test/src/providers.tsx
index df114ec24af..0c0b582c7a8 100644
--- a/packages/test/src/providers.tsx
+++ b/packages/test/src/providers.tsx
@@ -6,7 +6,6 @@ import {
   Manager,
   PromiseifyMiddleware,
 } from 'rest-hooks';
-
 import React from 'react';
 
 // Extension of the DeepPartial type defined by Redux which handles unknown
diff --git a/yarn.lock b/yarn.lock
index 3dd13c8fc6b..dc13c952e0b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -33,13 +33,13 @@
     path "^0.12.7"
     stable "^0.1.8"
 
-"@anansi/eslint-plugin@^0.8.6":
-  version "0.8.6"
-  resolved "https://registry.yarnpkg.com/@anansi/eslint-plugin/-/eslint-plugin-0.8.6.tgz#83c39b4b8601d55d4e9d8badc0c327260daf2f2f"
-  integrity sha512-ec+qUgzY8VvmzkaJQws/daRGDbpdsFIdLwUCdu22vf4b3l5kidWxwwcGrIwCdfnhgtiOwAZS2xcucV2hpV0lmw==
+"@anansi/eslint-plugin@^0.9.0":
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/@anansi/eslint-plugin/-/eslint-plugin-0.9.0.tgz#5eaf0a976afb1164baafecea6940168ca53fef3b"
+  integrity sha512-T9tGIgzPb1DXFv8imb9cJ0nSi+Z8HCTZ5ubMtTW2xmfGd232GqZ6TnCsZpSTnWvGjXhR8ZCnsMUOUa6li72ViA==
   dependencies:
-    "@typescript-eslint/eslint-plugin" "^2.23.0"
-    "@typescript-eslint/parser" "^2.23.0"
+    "@typescript-eslint/eslint-plugin" "^2.24.0"
+    "@typescript-eslint/parser" "^2.24.0"
     babel-eslint "^10.1.0"
     babel-plugin-root-import "^6.4.1"
     eslint-config-prettier "^6.10.0"
@@ -52,7 +52,7 @@
     eslint-plugin-prettier "^3.1.2"
     eslint-plugin-react "^7.19.0"
     eslint-plugin-react-hooks "^2.5.0"
-    prettier "^1.19.1"
+    prettier "^2.0.1"
     typescript "^3.7.5"
 
 "@babel/cli@^7.8.4":
@@ -2649,7 +2649,7 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-"@typescript-eslint/eslint-plugin@^2.23.0":
+"@typescript-eslint/eslint-plugin@^2.24.0":
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.24.0.tgz#a86cf618c965a462cddf3601f594544b134d6d68"
   integrity sha512-wJRBeaMeT7RLQ27UQkDFOu25MqFOBus8PtOa9KaT5ZuxC1kAsd7JEHqWt4YXuY9eancX0GK9C68i5OROnlIzBA==
@@ -2669,7 +2669,7 @@
     "@typescript-eslint/typescript-estree" "2.24.0"
     eslint-scope "^5.0.0"
 
-"@typescript-eslint/parser@^2.23.0":
+"@typescript-eslint/parser@^2.24.0":
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-2.24.0.tgz#2cf0eae6e6dd44d162486ad949c126b887f11eb8"
   integrity sha512-H2Y7uacwSSg8IbVxdYExSI3T7uM1DzmOn2COGtCahCC3g8YtM1xYAPi2MAHyfPs61VKxP/J/UiSctcRgw4G8aw==
@@ -8534,10 +8534,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^1.19.1:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
-  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
+prettier@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.1.tgz#3f00ac71263be34684b2b2c8d7e7f63737592dac"
+  integrity sha512-piXGBcY1zoFOG0MvHpNE5reAGseLmaCRifQ/fmfF49BcYkInEs/naD/unxGNAeOKFA5+JxVrPyMvMlpzcd20UA==
 
 pretty-format@^24.3.0:
   version "24.9.0"