diff --git a/src/lib/isIBAN.js b/src/lib/isIBAN.js
index 28f39be89..94ac67ca5 100644
--- a/src/lib/isIBAN.js
+++ b/src/lib/isIBAN.js
@@ -39,7 +39,7 @@ const ibanRegexThroughCountryCode = {
   GT: /^(GT[0-9]{2})[A-Z0-9]{4}[A-Z0-9]{20}$/,
   HR: /^(HR[0-9]{2})\d{17}$/,
   HU: /^(HU[0-9]{2})\d{24}$/,
-  IE: /^(IE[0-9]{2})[A-Z0-9]{4}\d{14}$/,
+  IE: /^(IE[0-9]{2})[A-Z]{4}\d{14}$/,
   IL: /^(IL[0-9]{2})\d{19}$/,
   IQ: /^(IQ[0-9]{2})[A-Z]{4}\d{15}$/,
   IR: /^(IR[0-9]{2})0\d{2}0\d{18}$/,
@@ -67,7 +67,7 @@ const ibanRegexThroughCountryCode = {
   NO: /^(NO[0-9]{2})\d{11}$/,
   PK: /^(PK[0-9]{2})[A-Z0-9]{4}\d{16}$/,
   PL: /^(PL[0-9]{2})\d{24}$/,
-  PS: /^(PS[0-9]{2})[A-Z0-9]{4}\d{21}$/,
+  PS: /^(PS[0-9]{2})[A-Z]{4}[A-Z0-9]{21}$/,
   PT: /^(PT[0-9]{2})\d{21}$/,
   QA: /^(QA[0-9]{2})[A-Z]{4}[A-Z0-9]{21}$/,
   RO: /^(RO[0-9]{2})[A-Z]{4}[A-Z0-9]{16}$/,
diff --git a/test/validators.test.js b/test/validators.test.js
index aa13906b0..d0908ad12 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -5857,6 +5857,9 @@ describe('Validators', () => {
         'MA64011519000001205000534921',
         'VG96VPVG0000012345678901',
         'DZ580002100001113000000570',
+        'IE29AIBK93115212345678',
+        'PS92PALS000000000400123456702',
+        'PS92PALS00000000040012345670O',
       ],
       invalid: [
         'XX22YYY1234567890123',
@@ -5865,6 +5868,8 @@ describe('Validators', () => {
         'FR7630006000011234567890189😅',
         'FR763000600001123456!!🤨7890189@',
         'VG46H07Y0223060094359858',
+        'IE95TE8270900834048660',
+        'PS072435171802145240705922007',
       ],
     });
     test({