diff --git a/lib/express/myinfo/controllers.js b/lib/express/myinfo/controllers.js
index 95f56b9..b7784a9 100644
--- a/lib/express/myinfo/controllers.js
+++ b/lib/express/myinfo/controllers.js
@@ -50,7 +50,7 @@ module.exports =
       const encryptedAndSignedPersona = await new jose.CompactEncrypt(
         Buffer.from(sign),
       )
-        .setProtectedHeader({ alg: 'RSA-OAEP', enc: 'A128CBC-HS256' })
+        .setProtectedHeader({ alg: 'RSA-OAEP', enc: 'A256GCM' })
         .encrypt(publicKey)
       return encryptedAndSignedPersona
     }