diff --git a/CHANGE_LOG.md b/CHANGE_LOG.md
index eb99c61..5bdec9d 100644
--- a/CHANGE_LOG.md
+++ b/CHANGE_LOG.md
@@ -1,6 +1,10 @@
 Sephpa - Change Log
 ===============
 
+## 1.3.1 - Feb 14, 21
+- Fixed: sanitizing of new `adrline` inputs was broken in case an array was used.
+- SepaUtilities are now tested on PHP 8.0.
+
 ## 1.3.0 - Feb 13, '21
 - Minor code cleanup.
 - Add travis tests for PHP 7.3 and 7.4
diff --git a/README.md b/README.md
index 70a0e07..5a8c6aa 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ SepaUtilities is a PHP class to check and sanitize inputs used in SEPA files
 such as IBAN numbers, creditor identifiers, names and other text.
 
 ## PHP Versions
-SepaUtilities supports PHP >= 7.2.
+SepaUtilities supports PHP >= 7.2 including PHP 8.
 
 ## Installation
 
@@ -22,7 +22,7 @@ You can get SepaUtilities via Composer. Just add
 ```json
 {
     "require": {
-        "abcaeffchen/sepa-utilities": "~1.3"
+        "abcaeffchen/sepa-utilities": "^1.3"
     }
 }
 ```
diff --git a/composer.json b/composer.json
index c409c13..9241c1f 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,8 @@
     "sanitize",
     "iban",
     "bic",
-    "php7"
+    "php7",
+    "php8"
   ],
   "homepage": "https://github.com/AbcAeffchen/SepaUtilities",
   "license": "LGPL-3.0",