diff --git a/.tekton/external.yaml b/.tekton/external.yaml
index 5e7f2be6..73eee890 100644
--- a/.tekton/external.yaml
+++ b/.tekton/external.yaml
@@ -43,7 +43,9 @@ spec:
     - name: plan
       args:
         - plan
+        - -out=tfplan
     - name: apply
       args:
         - apply
         - -auto-approve
+        - tfplan