diff --git a/src/etc/checkstyle/checkstyle-frames-sortby-check.xsl b/src/etc/checkstyle/checkstyle-frames-sortby-check.xsl
index e503840da..e7a19b2a6 100644
--- a/src/etc/checkstyle/checkstyle-frames-sortby-check.xsl
+++ b/src/etc/checkstyle/checkstyle-frames-sortby-check.xsl
@@ -64,7 +64,7 @@
             <body onload="javascript:openFirst();">
                 <h1>CheckStyle Audit</h1>
                 <p>Designed for use with
-                  <a href='http://checkstyle.sourceforge.net/'>CheckStyle</a> and
+                  <a href='https://checkstyle.org/'>CheckStyle</a> and
                   <a href='https://ant.apache.org/'>Ant</a>.
                 </p>
                 <xsl:apply-templates select="." mode="navigation"/>
diff --git a/src/etc/checkstyle/checkstyle-frames.xsl b/src/etc/checkstyle/checkstyle-frames.xsl
index 3d240b8bb..c0351e229 100644
--- a/src/etc/checkstyle/checkstyle-frames.xsl
+++ b/src/etc/checkstyle/checkstyle-frames.xsl
@@ -78,7 +78,7 @@
             </tr>
             <tr>
                 <td class="text-align:right">Designed for use with
-                  <a href='http://checkstyle.sourceforge.net/'>CheckStyle</a> and
+                  <a href='https://checkstyle.org/'>CheckStyle</a> and
                   <a href='https://ant.apache.org/'>Ant</a>.</td>
             </tr>
         </table>
