diff --git a/doc/news/interface_changes/DM-47616.mtm1m3.rst b/doc/news/interface_changes/DM-47616.mtm1m3.rst
new file mode 100644
index 000000000..51efcd38d
--- /dev/null
+++ b/doc/news/interface_changes/DM-47616.mtm1m3.rst
@@ -0,0 +1 @@
+Gyroscope velocities are reported in deg/sec.
diff --git a/python/lsst/ts/xml/data/sal_interfaces/MTM1M3/MTM1M3_Telemetry.xml b/python/lsst/ts/xml/data/sal_interfaces/MTM1M3/MTM1M3_Telemetry.xml
index 73ef536b8..2bc99dd2e 100644
--- a/python/lsst/ts/xml/data/sal_interfaces/MTM1M3/MTM1M3_Telemetry.xml
+++ b/python/lsst/ts/xml/data/sal_interfaces/MTM1M3/MTM1M3_Telemetry.xml
@@ -457,21 +457,21 @@
       <EFDB_Name>angularVelocityX</EFDB_Name>
       <Description>Gyro Data angular X velocity.</Description>
       <IDL_Type>float</IDL_Type>
-      <Units>m / s</Units>
+      <Units>deg/s</Units>
       <Count>1</Count>
     </item>
     <item>
       <EFDB_Name>angularVelocityY</EFDB_Name>
       <Description>Gyro Data angular Y velocity.</Description>
       <IDL_Type>float</IDL_Type>
-      <Units>m / s</Units>
+      <Units>deg/s</Units>
       <Count>1</Count>
     </item>
     <item>
       <EFDB_Name>angularVelocityZ</EFDB_Name>
       <Description>Gyro Data angular Z velocity.</Description>
       <IDL_Type>float</IDL_Type>
-      <Units>m / s</Units>
+      <Units>deg/s</Units>
       <Count>1</Count>
     </item>
     <item>