diff --git a/src/lib/alpha.js b/src/lib/alpha.js
index 6f58c9aee..7d2d5fe6e 100644
--- a/src/lib/alpha.js
+++ b/src/lib/alpha.js
@@ -54,7 +54,7 @@ export const alphanumeric = {
   'cs-CZ': /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]+$/i,
   'da-DK': /^[0-9A-ZÆØÅ]+$/i,
   'de-DE': /^[0-9A-ZÄÖÜß]+$/i,
-  'el-GR': /^[0-9Α-ω]+$/i,
+  'el-GR': /^[0-9Α-ώ]+$/i,
   'es-ES': /^[0-9A-ZÁÉÍÑÓÚÜ]+$/i,
   'fi-FI': /^[0-9A-ZÅÄÖ]+$/i,
   'fr-FR': /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]+$/i,
diff --git a/test/validators.test.js b/test/validators.test.js
index 9c867efae..7e41ecde8 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -2846,6 +2846,8 @@ describe('Validators', () => {
       valid: [
         'αβγδεζηθικλμνξοπρςστυφχψω',
         'ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ',
+        'άέήίΰϊϋόύώ',
+        'ΆΈΉΊΪΫΎΏ',
         '20θ',
         '1234568960',
       ],