diff --git a/composer.json b/composer.json
index 16ef54b..494b260 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "php": "^7.4.0 || ^8.1",
+        "php": "^7.4.0 || ^8",
         "silverstripe/cms": "^4 || ^5",
         "silverstripe/framework": "^4 || ^5",
         "giggsey/libphonenumber-for-php": "^8.0"
diff --git a/templates/Syntro/SilverstripeBootstrapForms/Forms/ReadonlyField.ss b/templates/Syntro/SilverstripeBootstrapForms/Forms/ReadonlyField.ss
index 86faf6b..66a8ce4 100644
--- a/templates/Syntro/SilverstripeBootstrapForms/Forms/ReadonlyField.ss
+++ b/templates/Syntro/SilverstripeBootstrapForms/Forms/ReadonlyField.ss
@@ -1 +1 @@
-<input $AttributesHTML />
+<input $AttributesHTML disabled/>
diff --git a/tests/RenderFormFieldsTest.php b/tests/RenderFormFieldsTest.php
index f5a5c3b..3e64e92 100644
--- a/tests/RenderFormFieldsTest.php
+++ b/tests/RenderFormFieldsTest.php
@@ -154,7 +154,7 @@ public function testReadonlyFieldRendering()
 
         $this->assertStringContainsString('<div id="Form_Form_readonlyfield_Holder" class="readonlyfieldholderclass">', $body);
         $this->assertStringContainsString('<label class="form-label" for="Form_Form_readonlyfield">readonlyfield</label>', $body);
-        $this->assertStringContainsString('<span id="Form_Form_readonlyfield" class="readonly"></span>', $body);
+        $this->assertStringContainsString('<input type="text" name="readonlyfield" value="&lt;i&gt;(&#039;none&#039;)&lt;/i&gt;" class="readonly form-control readonlyfieldextraclass" id="Form_Form_readonlyfield" readonly="readonly" disabled/>', $body);
     }
 
     /**