diff --git a/java/google/registry/env/alpha/backend/WEB-INF/appengine-web.xml b/java/google/registry/env/alpha/backend/WEB-INF/appengine-web.xml
index 278a903a2..54f782c31 100644
--- a/java/google/registry/env/alpha/backend/WEB-INF/appengine-web.xml
+++ b/java/google/registry/env/alpha/backend/WEB-INF/appengine-web.xml
@@ -9,7 +9,7 @@
   <sessions-enabled>true</sessions-enabled>
   <instance-class>B4</instance-class>
   <basic-scaling>
-    <max-instances>8</max-instances>
+    <max-instances>100</max-instances>
     <idle-timeout>10m</idle-timeout>
   </basic-scaling>
 
diff --git a/java/google/registry/env/alpha/default/WEB-INF/appengine-web.xml b/java/google/registry/env/alpha/default/WEB-INF/appengine-web.xml
index 34fabb1f7..f93787fb5 100644
--- a/java/google/registry/env/alpha/default/WEB-INF/appengine-web.xml
+++ b/java/google/registry/env/alpha/default/WEB-INF/appengine-web.xml
@@ -9,7 +9,7 @@
   <sessions-enabled>true</sessions-enabled>
   <instance-class>B4</instance-class>
   <basic-scaling>
-    <max-instances>4</max-instances>
+    <max-instances>8</max-instances>
     <idle-timeout>30m</idle-timeout>
   </basic-scaling>
 
diff --git a/java/google/registry/env/alpha/tools/WEB-INF/appengine-web.xml b/java/google/registry/env/alpha/tools/WEB-INF/appengine-web.xml
index 2f534d70f..bef98ba66 100644
--- a/java/google/registry/env/alpha/tools/WEB-INF/appengine-web.xml
+++ b/java/google/registry/env/alpha/tools/WEB-INF/appengine-web.xml
@@ -9,7 +9,7 @@
   <sessions-enabled>true</sessions-enabled>
   <instance-class>B4</instance-class>
   <basic-scaling>
-    <max-instances>2</max-instances>
+    <max-instances>5</max-instances>
     <idle-timeout>5m</idle-timeout>
   </basic-scaling>