diff --git a/hack/update-vendor.sh b/hack/update-vendor.sh
index 5977037cc4e..f1c46982fa0 100755
--- a/hack/update-vendor.sh
+++ b/hack/update-vendor.sh
@@ -277,7 +277,7 @@ while IFS= read -r repo; do
       echo "=== computing imports for ${repo}"
       go list all
       echo "=== computing tools imports for ${repo}"
-      go list -tags=tools all
+      go list -e -tags=tools all
     }
 
     # capture module dependencies