diff --git a/core/src/main/java/google/registry/env/production/default/WEB-INF/cloud-scheduler-tasks.xml b/core/src/main/java/google/registry/env/production/default/WEB-INF/cloud-scheduler-tasks.xml
index 1c2fe3425..7f37b5e48 100644
--- a/core/src/main/java/google/registry/env/production/default/WEB-INF/cloud-scheduler-tasks.xml
+++ b/core/src/main/java/google/registry/env/production/default/WEB-INF/cloud-scheduler-tasks.xml
@@ -285,6 +285,18 @@
     <schedule>0 * * * *</schedule>
   </task>
 
+  <task>
+    <url><![CDATA[/_dr/task/bsaRefresh]]></url>
+    <name>bsaRefresh</name>
+    <service>bsa</service>
+    <description>
+      Checks for changes in registered domains and reserved labels, and updates
+      the unblockable domains list.
+    </description>
+    <!-- Runs every 30 minutes. -->
+    <schedule>15,45 * * * *</schedule>
+  </task>
+
   <task>
     <url><![CDATA[/_dr/task/uploadBsaUnavailableNames]]></url>
     <name>uploadBsaUnavailableNames</name>
diff --git a/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cloud-scheduler-tasks.xml b/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cloud-scheduler-tasks.xml
index bca45bd8d..42d997182 100644
--- a/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cloud-scheduler-tasks.xml
+++ b/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cloud-scheduler-tasks.xml
@@ -174,6 +174,18 @@
     <schedule>0 * * * *</schedule>
   </task>
 
+  <task>
+    <url><![CDATA[/_dr/task/bsaRefresh]]></url>
+    <name>bsaRefresh</name>
+    <service>bsa</service>
+    <description>
+      Checks for changes in registered domains and reserved labels, and updates
+      the unblockable domains list.
+    </description>
+    <!-- Runs every 30 minutes. -->
+    <schedule>15,45 * * * *</schedule>
+  </task>
+
   <task>
     <url><![CDATA[/_dr/task/uploadBsaUnavailableNames]]></url>
     <name>uploadBsaUnavailableNames</name>