diff --git a/shiftleft.yml b/shiftleft.yml
index a82068c..cb3b073 100644
--- a/shiftleft.yml
+++ b/shiftleft.yml
@@ -1,6 +1,6 @@
 source:
   branch: master
-  scan: 274 # provide either branch or scan, not both
+  scan: previous
 build_rules:
   - id: build-rule-identifier
     finding_types: