diff --git a/packages_https_rover_optimus_slam_base.rosinstall b/packages_https_rover_optimus_slam_base.rosinstall
index d981ebd..e270a64 100644
--- a/packages_https_rover_optimus_slam_base.rosinstall
+++ b/packages_https_rover_optimus_slam_base.rosinstall
@@ -1,3 +1,9 @@
+# arm 
+- git:
+    local-name: src/arm/xarm_ros
+    uri: http://git.mistlab.ca/vvaradharajan/xarm_ros.git
+    version: master
+
 #Localization
 - git: 
     local-name: src/localization/lvi-sam
@@ -133,4 +139,4 @@
 -git: 
     local-name: src/driver/nlink_parser
     uri: https://github.com/nooploop-dev/nlink_parser.git
-    
\ No newline at end of file
+