diff --git a/doc/news/interface_changes/DM-45890.mtaos.rst b/doc/news/interface_changes/DM-45890.mtaos.rst
new file mode 100644
index 000000000..fc3377e14
--- /dev/null
+++ b/doc/news/interface_changes/DM-45890.mtaos.rst
@@ -0,0 +1 @@
+Add pubEvent to publish calculated mirror stresses from MTAOS.
\ No newline at end of file
diff --git a/python/lsst/ts/xml/data/sal_interfaces/MTAOS/MTAOS_Events.xml b/python/lsst/ts/xml/data/sal_interfaces/MTAOS/MTAOS_Events.xml
index 948bee349..7fa6ae0f0 100644
--- a/python/lsst/ts/xml/data/sal_interfaces/MTAOS/MTAOS_Events.xml
+++ b/python/lsst/ts/xml/data/sal_interfaces/MTAOS/MTAOS_Events.xml
@@ -95,6 +95,25 @@
       <Count>50</Count>
     </item>
   </SALEvent>
+  <SALEvent>
+    <Subsystem>MTAOS</Subsystem>
+    <EFDB_Topic>MTAOS_logevent_mirrorStresses</EFDB_Topic>
+    <Description>Calculated mirror stresses computed RSS the stress of individual bending modes.</Description>
+    <item>
+      <EFDB_Name>stressM2</EFDB_Name>
+      <Description>Calculate M2 stress computed RSS the stress contribution of each bending mode.</Description>
+      <IDL_Type>double</IDL_Type>
+      <Units>psi</Units>
+      <Count>1</Count>
+    </item>
+    <item>
+      <EFDB_Name>stressM1M3</EFDB_Name>
+      <Description>Calculate M1M3 stress computed RSS the stress contribution of each bending mode.</Description>
+      <IDL_Type>double</IDL_Type>
+      <Units>micron</Units>
+      <Count>1</Count>
+    </item>
+  </SALEvent>
   <SALEvent>
     <Subsystem>MTAOS</Subsystem>
     <EFDB_Topic>MTAOS_logevent_rejectedDegreeOfFreedom</EFDB_Topic>