diff --git a/java/google/registry/env/production/default/WEB-INF/cron.xml b/java/google/registry/env/production/default/WEB-INF/cron.xml
index 4b64bbc2f..7dff036fd 100644
--- a/java/google/registry/env/production/default/WEB-INF/cron.xml
+++ b/java/google/registry/env/production/default/WEB-INF/cron.xml
@@ -220,5 +220,14 @@
     <target>backend</target>
   </cron>
 
+  <cron>
+    <url><![CDATA[/_ah/sessioncleanup?clear]]></url>
+    <description>
+      Delete up to 100 expired _ah_SESSION entities from Datastore.
+    </description>
+    <schedule>every 15 minutes</schedule>
+    <target>backend</target>
+  </cron>
+
 
 </cronentries>