diff --git a/packages/react-calendar/.eslintrc.json b/packages/react-calendar/.eslintrc.json
index 6f2c8ec3..1c5b645c 100644
--- a/packages/react-calendar/.eslintrc.json
+++ b/packages/react-calendar/.eslintrc.json
@@ -1,3 +1,3 @@
 {
-  "extends": "wojtekmaj/react-no-automatic-runtime"
+  "extends": "wojtekmaj/react"
 }
diff --git a/packages/react-calendar/src/Calendar.spec.tsx b/packages/react-calendar/src/Calendar.spec.tsx
index b76526d9..9b0a372f 100644
--- a/packages/react-calendar/src/Calendar.spec.tsx
+++ b/packages/react-calendar/src/Calendar.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest';
-import React, { createRef } from 'react';
+import { createRef } from 'react';
 import { act, render } from '@testing-library/react';
 import { getMonthStart } from '@wojtekmaj/date-utils';
 
diff --git a/packages/react-calendar/src/Calendar.tsx b/packages/react-calendar/src/Calendar.tsx
index 137cb3bf..f7e7503c 100644
--- a/packages/react-calendar/src/Calendar.tsx
+++ b/packages/react-calendar/src/Calendar.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import React, { forwardRef, useCallback, useImperativeHandle, useState } from 'react';
+import { forwardRef, useCallback, useImperativeHandle, useState } from 'react';
 import PropTypes from 'prop-types';
 import clsx from 'clsx';
 
diff --git a/packages/react-calendar/src/Calendar/Navigation.spec.tsx b/packages/react-calendar/src/Calendar/Navigation.spec.tsx
index 4472e5d8..e53ad405 100644
--- a/packages/react-calendar/src/Calendar/Navigation.spec.tsx
+++ b/packages/react-calendar/src/Calendar/Navigation.spec.tsx
@@ -1,5 +1,4 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest';
-import React from 'react';
 import { fireEvent, render } from '@testing-library/react';
 
 import Navigation from './Navigation.js';
diff --git a/packages/react-calendar/src/Calendar/Navigation.tsx b/packages/react-calendar/src/Calendar/Navigation.tsx
index 2d8a726b..f1175730 100644
--- a/packages/react-calendar/src/Calendar/Navigation.tsx
+++ b/packages/react-calendar/src/Calendar/Navigation.tsx
@@ -1,6 +1,5 @@
 'use client';
 
-import React from 'react';
 import { getUserLocale } from 'get-user-locale';
 
 import {
diff --git a/packages/react-calendar/src/CenturyView.spec.tsx b/packages/react-calendar/src/CenturyView.spec.tsx
index 79477503..56b5cfbb 100644
--- a/packages/react-calendar/src/CenturyView.spec.tsx
+++ b/packages/react-calendar/src/CenturyView.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
 import { render } from '@testing-library/react';
 import { getDecadeStart, getDecadeEnd } from '@wojtekmaj/date-utils';
 
diff --git a/packages/react-calendar/src/CenturyView.tsx b/packages/react-calendar/src/CenturyView.tsx
index 821b5f1f..150e3d34 100644
--- a/packages/react-calendar/src/CenturyView.tsx
+++ b/packages/react-calendar/src/CenturyView.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import PropTypes from 'prop-types';
 
 import Decades from './CenturyView/Decades.js';
diff --git a/packages/react-calendar/src/CenturyView/Decade.spec.tsx b/packages/react-calendar/src/CenturyView/Decade.spec.tsx
index bc489b50..d3cb9e7e 100644
--- a/packages/react-calendar/src/CenturyView/Decade.spec.tsx
+++ b/packages/react-calendar/src/CenturyView/Decade.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
+
 import { fireEvent, render } from '@testing-library/react';
 
 import Decade from './Decade.js';
diff --git a/packages/react-calendar/src/CenturyView/Decade.tsx b/packages/react-calendar/src/CenturyView/Decade.tsx
index 92ef1d61..10635056 100644
--- a/packages/react-calendar/src/CenturyView/Decade.tsx
+++ b/packages/react-calendar/src/CenturyView/Decade.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getDecadeStart, getDecadeEnd, getCenturyStart } from '@wojtekmaj/date-utils';
 
 import Tile from '../Tile.js';
diff --git a/packages/react-calendar/src/CenturyView/Decades.tsx b/packages/react-calendar/src/CenturyView/Decades.tsx
index 553cc3d4..65127438 100644
--- a/packages/react-calendar/src/CenturyView/Decades.tsx
+++ b/packages/react-calendar/src/CenturyView/Decades.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getDecadeStart } from '@wojtekmaj/date-utils';
 
 import TileGroup from '../TileGroup.js';
diff --git a/packages/react-calendar/src/DecadeView.spec.tsx b/packages/react-calendar/src/DecadeView.spec.tsx
index 0d8ddbe6..abe9d293 100644
--- a/packages/react-calendar/src/DecadeView.spec.tsx
+++ b/packages/react-calendar/src/DecadeView.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
+
 import { render } from '@testing-library/react';
 
 import DecadeView from './DecadeView.js';
diff --git a/packages/react-calendar/src/DecadeView.tsx b/packages/react-calendar/src/DecadeView.tsx
index e3a67d30..ffdb3cc0 100644
--- a/packages/react-calendar/src/DecadeView.tsx
+++ b/packages/react-calendar/src/DecadeView.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import PropTypes from 'prop-types';
 
 import Years from './DecadeView/Years.js';
diff --git a/packages/react-calendar/src/DecadeView/Year.spec.tsx b/packages/react-calendar/src/DecadeView/Year.spec.tsx
index bb46e670..133dd563 100644
--- a/packages/react-calendar/src/DecadeView/Year.spec.tsx
+++ b/packages/react-calendar/src/DecadeView/Year.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
+
 import { fireEvent, render } from '@testing-library/react';
 
 import Year from './Year.js';
diff --git a/packages/react-calendar/src/DecadeView/Year.tsx b/packages/react-calendar/src/DecadeView/Year.tsx
index e7b9b8ae..8608c27a 100644
--- a/packages/react-calendar/src/DecadeView/Year.tsx
+++ b/packages/react-calendar/src/DecadeView/Year.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getYearStart, getYearEnd, getDecadeStart } from '@wojtekmaj/date-utils';
 
 import Tile from '../Tile.js';
diff --git a/packages/react-calendar/src/DecadeView/Years.tsx b/packages/react-calendar/src/DecadeView/Years.tsx
index 5be6fec1..8ae4696c 100644
--- a/packages/react-calendar/src/DecadeView/Years.tsx
+++ b/packages/react-calendar/src/DecadeView/Years.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getYearStart } from '@wojtekmaj/date-utils';
 
 import TileGroup from '../TileGroup.js';
diff --git a/packages/react-calendar/src/Flex.spec.tsx b/packages/react-calendar/src/Flex.spec.tsx
index ea282ff0..d254c74c 100644
--- a/packages/react-calendar/src/Flex.spec.tsx
+++ b/packages/react-calendar/src/Flex.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
+
 import { render } from '@testing-library/react';
 
 import Flex from './Flex.js';
diff --git a/packages/react-calendar/src/Flex.tsx b/packages/react-calendar/src/Flex.tsx
index 5578bc66..6e7d3173 100644
--- a/packages/react-calendar/src/Flex.tsx
+++ b/packages/react-calendar/src/Flex.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import { Children, cloneElement } from 'react';
 
 type FlexProps = React.HTMLAttributes<HTMLDivElement> & {
   children: React.ReactElement[];
@@ -35,10 +35,10 @@ export default function Flex({
       }}
       {...otherProps}
     >
-      {React.Children.map(children, (child, index) => {
+      {Children.map(children, (child, index) => {
         const marginInlineStart = offset && index === 0 ? toPercent((100 * offset) / count) : null;
 
-        return React.cloneElement(child, {
+        return cloneElement(child, {
           ...child.props,
           style: {
             flexBasis: toPercent(100 / count),
diff --git a/packages/react-calendar/src/MonthView.spec.tsx b/packages/react-calendar/src/MonthView.spec.tsx
index fa3e0a21..1280e96d 100644
--- a/packages/react-calendar/src/MonthView.spec.tsx
+++ b/packages/react-calendar/src/MonthView.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
+
 import { render } from '@testing-library/react';
 
 import MonthView from './MonthView.js';
diff --git a/packages/react-calendar/src/MonthView.tsx b/packages/react-calendar/src/MonthView.tsx
index ae514623..a903ec47 100644
--- a/packages/react-calendar/src/MonthView.tsx
+++ b/packages/react-calendar/src/MonthView.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import PropTypes from 'prop-types';
 import clsx from 'clsx';
 
diff --git a/packages/react-calendar/src/MonthView/Day.spec.tsx b/packages/react-calendar/src/MonthView/Day.spec.tsx
index 69447d50..da9a5a91 100644
--- a/packages/react-calendar/src/MonthView/Day.spec.tsx
+++ b/packages/react-calendar/src/MonthView/Day.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
+
 import { fireEvent, render } from '@testing-library/react';
 
 import Day from './Day.js';
diff --git a/packages/react-calendar/src/MonthView/Day.tsx b/packages/react-calendar/src/MonthView/Day.tsx
index 5248b9cc..52962ad8 100644
--- a/packages/react-calendar/src/MonthView/Day.tsx
+++ b/packages/react-calendar/src/MonthView/Day.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getDayStart, getDayEnd } from '@wojtekmaj/date-utils';
 
 import Tile from '../Tile.js';
diff --git a/packages/react-calendar/src/MonthView/Days.tsx b/packages/react-calendar/src/MonthView/Days.tsx
index 64502b07..a3d05be3 100644
--- a/packages/react-calendar/src/MonthView/Days.tsx
+++ b/packages/react-calendar/src/MonthView/Days.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getYear, getMonth, getDaysInMonth, getDayStart } from '@wojtekmaj/date-utils';
 
 import TileGroup from '../TileGroup.js';
diff --git a/packages/react-calendar/src/MonthView/WeekNumber.spec.tsx b/packages/react-calendar/src/MonthView/WeekNumber.spec.tsx
index 1dc84152..cc6386e6 100644
--- a/packages/react-calendar/src/MonthView/WeekNumber.spec.tsx
+++ b/packages/react-calendar/src/MonthView/WeekNumber.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
 import { render } from '@testing-library/react';
 
 import WeekNumber from './WeekNumber.js';
diff --git a/packages/react-calendar/src/MonthView/WeekNumber.tsx b/packages/react-calendar/src/MonthView/WeekNumber.tsx
index 1c7eaf43..581d1bd3 100644
--- a/packages/react-calendar/src/MonthView/WeekNumber.tsx
+++ b/packages/react-calendar/src/MonthView/WeekNumber.tsx
@@ -1,5 +1,3 @@
-import React from 'react';
-
 import type { OnClickWeekNumberFunc } from '../shared/types.js';
 
 const className = 'react-calendar__tile';
diff --git a/packages/react-calendar/src/MonthView/WeekNumbers.spec.tsx b/packages/react-calendar/src/MonthView/WeekNumbers.spec.tsx
index 1ed5de2a..d59d1818 100644
--- a/packages/react-calendar/src/MonthView/WeekNumbers.spec.tsx
+++ b/packages/react-calendar/src/MonthView/WeekNumbers.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
 import { fireEvent, render } from '@testing-library/react';
 
 import WeekNumbers from './WeekNumbers.js';
diff --git a/packages/react-calendar/src/MonthView/WeekNumbers.tsx b/packages/react-calendar/src/MonthView/WeekNumbers.tsx
index bfc94587..ea5726e5 100644
--- a/packages/react-calendar/src/MonthView/WeekNumbers.tsx
+++ b/packages/react-calendar/src/MonthView/WeekNumbers.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getYear, getMonth, getDate, getDaysInMonth } from '@wojtekmaj/date-utils';
 
 import WeekNumber from './WeekNumber.js';
diff --git a/packages/react-calendar/src/MonthView/Weekdays.spec.tsx b/packages/react-calendar/src/MonthView/Weekdays.spec.tsx
index 2e2ddaa0..bded3357 100644
--- a/packages/react-calendar/src/MonthView/Weekdays.spec.tsx
+++ b/packages/react-calendar/src/MonthView/Weekdays.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
 import { render } from '@testing-library/react';
 
 import Weekdays from './Weekdays.js';
diff --git a/packages/react-calendar/src/MonthView/Weekdays.tsx b/packages/react-calendar/src/MonthView/Weekdays.tsx
index 9a26af42..f2734ce8 100644
--- a/packages/react-calendar/src/MonthView/Weekdays.tsx
+++ b/packages/react-calendar/src/MonthView/Weekdays.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import clsx from 'clsx';
 import { getYear, getMonth, getMonthStart } from '@wojtekmaj/date-utils';
 
diff --git a/packages/react-calendar/src/Tile.spec.tsx b/packages/react-calendar/src/Tile.spec.tsx
index 1d44595a..ae3f3c25 100644
--- a/packages/react-calendar/src/Tile.spec.tsx
+++ b/packages/react-calendar/src/Tile.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
+
 import { fireEvent, render } from '@testing-library/react';
 
 import Tile from './Tile.js';
diff --git a/packages/react-calendar/src/Tile.tsx b/packages/react-calendar/src/Tile.tsx
index 343e50b5..8b2683ca 100644
--- a/packages/react-calendar/src/Tile.tsx
+++ b/packages/react-calendar/src/Tile.tsx
@@ -1,4 +1,4 @@
-import React, { useMemo } from 'react';
+import { useMemo } from 'react';
 import clsx from 'clsx';
 
 import type {
diff --git a/packages/react-calendar/src/TileGroup.tsx b/packages/react-calendar/src/TileGroup.tsx
index 36c14ca1..c89b6f34 100644
--- a/packages/react-calendar/src/TileGroup.tsx
+++ b/packages/react-calendar/src/TileGroup.tsx
@@ -1,5 +1,3 @@
-import React from 'react';
-
 import Flex from './Flex.js';
 
 import { getTileClasses } from './shared/utils.js';
diff --git a/packages/react-calendar/src/YearView.spec.tsx b/packages/react-calendar/src/YearView.spec.tsx
index 0e658a18..8a030350 100644
--- a/packages/react-calendar/src/YearView.spec.tsx
+++ b/packages/react-calendar/src/YearView.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it } from 'vitest';
-import React from 'react';
 import { render } from '@testing-library/react';
 
 import YearView from './YearView.js';
diff --git a/packages/react-calendar/src/YearView.tsx b/packages/react-calendar/src/YearView.tsx
index 4e7c388f..fb2d3a64 100644
--- a/packages/react-calendar/src/YearView.tsx
+++ b/packages/react-calendar/src/YearView.tsx
@@ -1,5 +1,3 @@
-import React from 'react';
-
 import Months from './YearView/Months.js';
 
 import { tileGroupProps } from './shared/propTypes.js';
diff --git a/packages/react-calendar/src/YearView/Month.spec.tsx b/packages/react-calendar/src/YearView/Month.spec.tsx
index 3444d026..65ef7bfc 100644
--- a/packages/react-calendar/src/YearView/Month.spec.tsx
+++ b/packages/react-calendar/src/YearView/Month.spec.tsx
@@ -1,5 +1,4 @@
 import { describe, expect, it, vi } from 'vitest';
-import React from 'react';
 import { fireEvent, render } from '@testing-library/react';
 
 import Month from './Month.js';
diff --git a/packages/react-calendar/src/YearView/Month.tsx b/packages/react-calendar/src/YearView/Month.tsx
index f77434a2..b7484494 100644
--- a/packages/react-calendar/src/YearView/Month.tsx
+++ b/packages/react-calendar/src/YearView/Month.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getMonthStart, getMonthEnd } from '@wojtekmaj/date-utils';
 
 import Tile from '../Tile.js';
diff --git a/packages/react-calendar/src/YearView/Months.tsx b/packages/react-calendar/src/YearView/Months.tsx
index bb7b162b..01e1fde5 100644
--- a/packages/react-calendar/src/YearView/Months.tsx
+++ b/packages/react-calendar/src/YearView/Months.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import { getMonthStart, getYear } from '@wojtekmaj/date-utils';
 
 import TileGroup from '../TileGroup.js';
diff --git a/packages/react-calendar/tsconfig.json b/packages/react-calendar/tsconfig.json
index 22322f16..1d4aa332 100644
--- a/packages/react-calendar/tsconfig.json
+++ b/packages/react-calendar/tsconfig.json
@@ -3,7 +3,7 @@
     "declaration": true,
     "esModuleInterop": true,
     "isolatedModules": true,
-    "jsx": "react",
+    "jsx": "react-jsx",
     "module": "nodenext",
     "noEmit": true,
     "noUncheckedIndexedAccess": true,