diff --git a/share/xml/advisories.xml b/share/xml/advisories.xml
index 1499c4e085..2bed6cc37a 100644
--- a/share/xml/advisories.xml
+++ b/share/xml/advisories.xml
@@ -10,6 +10,14 @@
     <month>
       <name>7</name>
 
+      <day>
+        <name>21</name>
+
+        <advisory>
+          <name>FreeBSD-SA-15:13.tcp</name>
+        </advisory>
+      </day>
+
       <day>
         <name>9</name>