diff --git a/java/google/registry/env/production/tools/WEB-INF/appengine-web.xml b/java/google/registry/env/production/tools/WEB-INF/appengine-web.xml
index 5635943a4..1d02a70a7 100644
--- a/java/google/registry/env/production/tools/WEB-INF/appengine-web.xml
+++ b/java/google/registry/env/production/tools/WEB-INF/appengine-web.xml
@@ -10,7 +10,7 @@
   <instance-class>B4_1G</instance-class>
   <basic-scaling>
     <max-instances>5</max-instances>
-    <idle-timeout>10m</idle-timeout>
+    <idle-timeout>60m</idle-timeout>
   </basic-scaling>
 
   <system-properties>
diff --git a/java/google/registry/env/sandbox/tools/WEB-INF/appengine-web.xml b/java/google/registry/env/sandbox/tools/WEB-INF/appengine-web.xml
index 16d63b98e..eaa2469fd 100644
--- a/java/google/registry/env/sandbox/tools/WEB-INF/appengine-web.xml
+++ b/java/google/registry/env/sandbox/tools/WEB-INF/appengine-web.xml
@@ -10,7 +10,7 @@
   <instance-class>B4</instance-class>
   <basic-scaling>
     <max-instances>5</max-instances>
-    <idle-timeout>10m</idle-timeout>
+    <idle-timeout>60m</idle-timeout>
   </basic-scaling>
 
   <system-properties>