diff --git a/ossm/merge_upstream.sh b/ossm/merge_upstream.sh
index 032d9775a..0ece737b5 100755
--- a/ossm/merge_upstream.sh
+++ b/ossm/merge_upstream.sh
@@ -72,7 +72,7 @@ main () {
   set -e
 
   # generate everything regardless of detected conflicts
-  rm -rf bundle/**/*.yaml resources bundle.Dockerfile
+  rm -rf bundle/**/*.yaml resources/v* bundle.Dockerfile
   updateVersionsInOssmValuesYaml
   # even if we specify ossm/values.yaml via HELM_VALUES_FILE, helm by design merges annotations specified in chart/values.yaml and ossm/values.yaml
   # to only keep annotations specified in ossm/values.yaml, it's necessary to overwrite all annotations in chart/values.yaml