diff --git a/.github/workflows/tests-integration-reusable.yml b/.github/workflows/tests-integration-reusable.yml
index f295495226..c4ee7160c7 100644
--- a/.github/workflows/tests-integration-reusable.yml
+++ b/.github/workflows/tests-integration-reusable.yml
@@ -22,6 +22,9 @@ on:
       lease-id:
         required: true
         type: string
+      lease-namespace:
+        required: false
+        type: string
       gitRef:
         type: string
         default: ${{github.event.workflow_run.head_sha}}
@@ -70,6 +73,7 @@ jobs:
     - name: Install Tools
       env:
         account_token: ${{ secrets.SHEPHERD_SERVICE_ACCOUNT_TOKEN }}
+        namespace:     ${{ inputs.lease-namespace || vars.POOL_NAMESPACE || 'tas-devex' }}
       run: |
         go version
 
diff --git a/.github/workflows/tests-integration.yml b/.github/workflows/tests-integration.yml
index e763e9fa78..123006ff0f 100644
--- a/.github/workflows/tests-integration.yml
+++ b/.github/workflows/tests-integration.yml
@@ -264,6 +264,7 @@ jobs:
       name: Integration
       gitRef: ${{needs.get-sha.outputs.gitRef}}
       lease-id: ${{ needs.claim-env.outputs.leaseid }}
+      lease-namespace: ${{ inputs.lease_namespace }}
       nodes: ${{ inputs.nodes }}
     secrets: inherit
 
@@ -281,6 +282,7 @@ jobs:
       name: Integration client creds
       gitRef: ${{needs.get-sha.outputs.gitRef}}
       lease-id: ${{ needs.claim-env.outputs.leaseid }}
+      lease-namespace: ${{ inputs.lease_namespace }}
     secrets: inherit
 
   run-cats-cf-env:
@@ -298,6 +300,7 @@ jobs:
       name: cats
       gitRef: ${{needs.get-sha.outputs.gitRef}}
       lease-id: ${{ needs.claim-env.outputs.leaseid }}
+      lease-namespace: ${{ inputs.lease_namespace }}
     secrets: inherit
 
   unclaim-env: