diff --git a/.github/workflows/reusable-industrial-ci-with-cache.yml b/.github/workflows/reusable-industrial-ci-with-cache.yml
index 96fbd4d..663a49a 100644
--- a/.github/workflows/reusable-industrial-ci-with-cache.yml
+++ b/.github/workflows/reusable-industrial-ci-with-cache.yml
@@ -13,7 +13,12 @@ on:
 
       upstream_workspace:
         description: 'UPSTREAM_WORKSPACE variable for industrial_ci. Usually path to local .repos file.'
-        required: true
+        required: false
+        type: string
+      target_workspace:
+        description: 'TARGET_WORKSPACE variable for industrial_ci. If not provided, defaults to the current repo.'
+        required: false
+        default: ""
         type: string
       downstream_workspace:
         description: 'DOWNSTREAM_WORKSPACE variable for industrial_ci. If set, downstream packages will be built and tested against this repo'
@@ -88,6 +93,7 @@ jobs:
       - uses: 'ros-industrial/industrial_ci@master'
         env:
           UPSTREAM_WORKSPACE: ${{ inputs.upstream_workspace }}
+          TARGET_WORKSPACE: ${{ inputs.target_workspace }}
           DOWNSTREAM_WORKSPACE: ${{ inputs.downstream_workspace }}
           ROS_DISTRO: ${{ inputs.ros_distro }}
           ROS_REPO: ${{ inputs.ros_repo }}