diff --git a/.eslintignore b/.eslintignore
deleted file mode 100644
index ed472b8..0000000
--- a/.eslintignore
+++ /dev/null
@@ -1,3 +0,0 @@
-/node_modules
-/dist
-/rollup
diff --git a/.eslintrc b/.eslintrc
deleted file mode 100644
index f5dc757..0000000
--- a/.eslintrc
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "parser": "@typescript-eslint/parser",
-  "plugins": ["@typescript-eslint", "react-hooks", "simple-import-sort", "prettier"],
-  "extends": [
-    "plugin:playwright/recommended",
-    "plugin:react/recommended",
-    "plugin:@typescript-eslint/recommended",
-    "plugin:react-hooks/recommended",
-    "prettier"
-  ],
-  "parserOptions": {
-    "ecmaVersion": 2020,
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "jsx": true
-    }
-  },
-  "rules": {
-    "prettier/prettier": "error",
-    "simple-import-sort/imports": "error",
-    "simple-import-sort/exports": "error",
-    "no-var": 0
-  },
-  "overrides": [
-    {
-      "files": ["*.test.ts", "*.test.tsx"],
-      "rules": {
-        // Allow testing runtime errors to suppress TS errors
-        "@typescript-eslint/ban-ts-comment": "off"
-      }
-    }
-  ],
-  "settings": {
-    "react": {
-      "pragma": "React",
-      "version": "detect"
-    }
-  }
-}
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0eccb7a..f32f701 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,7 +20,7 @@ Here is a quick guide to doing code contributions to the library.
 
 5. Run all packages in dev mode:
 
-   > pnpm i
+   > pnpm dev
 
 6. If you've added a code that should be tested, ensure the test suite still passes.
 
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..7b4fa3d
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,67 @@
+import { fixupConfigRules, fixupPluginRules } from "@eslint/compat";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import reactHooks from "eslint-plugin-react-hooks";
+import simpleImportSort from "eslint-plugin-simple-import-sort";
+import prettier from "eslint-plugin-prettier";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [{
+    ignores: ["node_modules", "dist", "rollup"],
+}, ...fixupConfigRules(compat.extends(
+    "plugin:playwright/recommended",
+    "plugin:react/recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:react-hooks/recommended",
+    "prettier",
+)), {
+    plugins: {
+        "@typescript-eslint": fixupPluginRules(typescriptEslint),
+        "react-hooks": fixupPluginRules(reactHooks),
+        "simple-import-sort": simpleImportSort,
+        prettier,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+        ecmaVersion: 2020,
+        sourceType: "module",
+
+        parserOptions: {
+            ecmaFeatures: {
+                jsx: true,
+            },
+        },
+    },
+
+    settings: {
+        react: {
+            pragma: "React",
+            version: "detect",
+        },
+    },
+
+    rules: {
+        "prettier/prettier": "error",
+        "simple-import-sort/imports": "error",
+        "simple-import-sort/exports": "error",
+        "no-var": 0,
+    },
+}, {
+    files: ["**/*.test.ts", "**/*.test.tsx"],
+
+    rules: {
+        "@typescript-eslint/ban-ts-comment": "off",
+    },
+}];
\ No newline at end of file
diff --git a/package.json b/package.json
index afd52f3..a5e0a8c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "datepicker",
-  "version": "6.6.1",
+  "version": "6.6.6",
   "description": "The ultimate tool to create a date, range and time picker in your React applications.",
   "scripts": {
     "clean": "rimraf node_modules",
@@ -40,6 +40,7 @@
   },
   "homepage": "https://github.com/rehookify/datepicker#readme",
   "devDependencies": {
+    "@eslint/compat": "^1.1.1",
     "@testing-library/react": "^16.0.0",
     "@typescript-eslint/eslint-plugin": "^7.15.0",
     "@typescript-eslint/parser": "^7.15.0",
@@ -62,6 +63,6 @@
     ]
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   }
 }
diff --git a/packages/datepicker/package.json b/packages/datepicker/package.json
index 72fa994..844b592 100644
--- a/packages/datepicker/package.json
+++ b/packages/datepicker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rehookify/datepicker",
-  "version": "6.6.5",
+  "version": "6.6.6",
   "description": "The ultimate tool to create a date, range and time picker in your React applications.",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.mjs",
@@ -83,6 +83,6 @@
     "access": "public"
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   }
 }
diff --git a/packages/datepicker/src/utils/create-months.ts b/packages/datepicker/src/utils/create-months.ts
index b851d91..8705fb9 100644
--- a/packages/datepicker/src/utils/create-months.ts
+++ b/packages/datepicker/src/utils/create-months.ts
@@ -1,5 +1,5 @@
 import type { DPDatesConfig, DPLocaleConfig, DPMonth } from '../types';
-import { formatMonthName, getDateParts, newDate } from './date';
+import { daysInMonth, formatMonthName, getDateParts, newDate } from './date';
 import {
   isAfterMaxMonth,
   isBeforeMinMonth,
@@ -13,14 +13,16 @@ export var createMonths = (
   locale: DPLocaleConfig,
   { minDate, maxDate }: DPDatesConfig,
 ): DPMonth[] => {
-  // 12 is a number of months in the year
   const { M, Y, D } = getDateParts(offsetDate);
   const { Y: nY, M: nM } = getDateParts(newDate());
 
+  // 12 is a number of months in the year
   return Array(12)
     .fill(0)
     .map((_, i) => {
-      const $date = newDate(Y, i, D);
+      // Prevent situation when previous month has less days than current March -> February
+      const maxMonthDate = daysInMonth(newDate(Y, i, 1));
+      const $date = newDate(Y, i, D > maxMonthDate ? maxMonthDate : D);
 
       return {
         $date,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ca34c34..21366fc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,6 +8,9 @@ importers:
 
   .:
     devDependencies:
+      '@eslint/compat':
+        specifier: ^1.1.1
+        version: 1.1.1
       '@testing-library/react':
         specifier: ^16.0.0
         version: 16.0.0(@testing-library/dom@10.3.0)(@types/react@18.3.3)(react-dom@18.3.1)(react@18.3.1)
@@ -1690,6 +1693,11 @@ packages:
     engines: {node: ^12.0.0 || ^14.0.0 || >=16.0.0}
     dev: true
 
+  /@eslint/compat@1.1.1:
+    resolution: {integrity: sha512-lpHyRyplhGPL5mGEh6M9O5nnKk0Gz4bFI+Zu6tKlPpDUN7XshWvH9C/px4UVm87IAANE0W81CEsNGbS1KlzXpA==}
+    engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+    dev: true
+
   /@eslint/config-array@0.17.0:
     resolution: {integrity: sha512-A68TBu6/1mHHuc5YJL0U0VVeGNiklLAL6rRmhTCP2B5XjWLMnrX+HkO+IAXyHvks5cyyY1jjK5ITPQ1HGS2EVA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}