diff --git a/README.md b/README.md
index 592e661bf..3b0a75dc9 100644
--- a/README.md
+++ b/README.md
@@ -88,8 +88,8 @@ Validator                               | Description
 **equals(str, comparison)**             | check if the string matches the comparison.
 **isAbaRouting(str)**               | check if the string is an ABA routing number for US bank account / cheque.
 **isAfter(str [, options])**            | check if the string is a date that is after the specified date.<br/><br/>`options` is an object that defaults to `{ comparisonDate: Date().toString() }`.<br/>**Options:**<br/>`comparisonDate`: Date to compare to. Defaults to `Date().toString()` (now).
-**isAlpha(str [, locale, options])**    | check if the string contains only letters (a-zA-Z).<br/><br/>`locale` is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'bn', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'eo', 'es-ES', 'fa-IR', 'fi-FI', 'fr-CA', 'fr-FR', 'he', 'hi-IN', 'hu-HU', 'it-IT', 'kk-KZ', 'ko-KR', 'ja-JP', 'ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'si-LK', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA']` and defaults to `en-US`. Locale list is `validator.isAlphaLocales`. `options` is an optional object that can be supplied with the following key(s): `ignore` which can either be a String or RegExp of characters to be ignored e.g. " -" will ignore spaces and -'s.
-**isAlphanumeric(str [, locale, options])**      | check if the string contains only letters and numbers (a-zA-Z0-9).<br/><br/>`locale` is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bn', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'eo', 'es-ES', 'fa-IR', 'fi-FI', 'fr-CA', 'fr-FR', 'he', 'hi-IN', 'hu-HU', 'it-IT', 'kk-KZ', 'ko-KR', 'ja-JP','ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'si-LK', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA']`) and defaults to `en-US`. Locale list is `validator.isAlphanumericLocales`. `options` is an optional object that can be supplied with the following key(s): `ignore` which can either be a String or RegExp of characters to be ignored e.g. " -" will ignore spaces and -'s.
+**isAlpha(str [, locale, options])**    | check if the string contains only letters (a-zA-Z).<br/><br/>`locale` is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'bn', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'eo', 'es-ES', 'et-EE', 'fa-IR', 'fi-FI', 'fr-CA', 'fr-FR', 'he', 'hi-IN', 'hu-HU', 'it-IT', 'kk-KZ', 'ko-KR', 'ja-JP', 'ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'si-LK', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA']` and defaults to `en-US`. Locale list is `validator.isAlphaLocales`. `options` is an optional object that can be supplied with the following key(s): `ignore` which can either be a String or RegExp of characters to be ignored e.g. " -" will ignore spaces and -'s.
+**isAlphanumeric(str [, locale, options])**      | check if the string contains only letters and numbers (a-zA-Z0-9).<br/><br/>`locale` is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bn', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'eo', 'es-ES', 'et-EE', 'fa-IR', 'fi-FI', 'fr-CA', 'fr-FR', 'he', 'hi-IN', 'hu-HU', 'it-IT', 'kk-KZ', 'ko-KR', 'ja-JP','ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'si-LK', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA']`) and defaults to `en-US`. Locale list is `validator.isAlphanumericLocales`. `options` is an optional object that can be supplied with the following key(s): `ignore` which can either be a String or RegExp of characters to be ignored e.g. " -" will ignore spaces and -'s.
 **isAscii(str)**                        | check if the string contains ASCII chars only.
 **isBase32(str [, options])**           | check if the string is base32 encoded. `options` is optional and defaults to `{ crockford: false }`.<br/> When `crockford` is true it tests the given base32 encoded string using [Crockford's base32 alternative][Crockford Base32].
 **isBase58(str)**                       | check if the string is base58 encoded.
diff --git a/src/lib/alpha.js b/src/lib/alpha.js
index 8c37934ff..b44af94b6 100644
--- a/src/lib/alpha.js
+++ b/src/lib/alpha.js
@@ -7,6 +7,7 @@ export const alpha = {
   'de-DE': /^[A-ZÄÖÜß]+$/i,
   'el-GR': /^[Α-ώ]+$/i,
   'es-ES': /^[A-ZÁÉÍÑÓÚÜ]+$/i,
+  'et-EE': /^[A-ZÕÄÖÜŠŽ]+$/i,
   'fa-IR': /^[ابپتثجچحخدذرزژسشصضطظعغفقکگلمنوهی]+$/i,
   'fi-FI': /^[A-ZÅÄÖ]+$/i,
   'fr-FR': /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]+$/i,
@@ -49,6 +50,7 @@ export const alphanumeric = {
   'de-DE': /^[0-9A-ZÄÖÜß]+$/i,
   'el-GR': /^[0-9Α-ω]+$/i,
   'es-ES': /^[0-9A-ZÁÉÍÑÓÚÜ]+$/i,
+  'et-EE': /^[0-9A-ZÕÄÖÜŠŽ]+$/i,
   'fi-FI': /^[0-9A-ZÅÄÖ]+$/i,
   'fr-FR': /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]+$/i,
   'it-IT': /^[0-9A-ZÀÉÈÌÎÓÒÙ]+$/i,