diff --git a/Makefile b/Makefile
index 7e3e19578..35d2581a5 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ LDFLAGS=-buildid= -X sigs.k8s.io/release-utils/version.gitVersion=$(GIT_TAG)
 KO_DOCKER_REPO ?= ghcr.io/sigstore/scaffolding
 
 # These are the subdirs under config that we'll turn into separate artifacts.
-artifacts := trillian ctlog fulcio rekor tuf
+artifacts := trillian ctlog fulcio rekor tuf prober
 
 .PHONY: ko-resolve
 ko-resolve: