diff --git a/src/readme.html b/src/readme.html
index c52484d9b1..15c71763a2 100644
--- a/src/readme.html
+++ b/src/readme.html
@@ -57,7 +57,7 @@
 
 <h3>Recommendations</h3>
 <ul>
-	<li><a href="https://secure.php.net/">PHP</a> version <strong>7.3</strong> or higher.</li>
+	<li><a href="https://secure.php.net/">PHP</a> version <strong>7.4</strong> or higher.</li>
 	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.6</strong> or higher.</li>
 	<li>The <a href="https://httpd.apache.org/docs/2.2/mod/mod_rewrite.html">mod_rewrite</a> Apache module.</li>
 	<li><a href="https://wordpress.org/news/2016/12/moving-toward-ssl/">HTTPS</a> support.</li>