diff --git a/build.tmpl.yml b/build.tmpl.yml
index df3f6d7..f8f7659 100644
--- a/build.tmpl.yml
+++ b/build.tmpl.yml
@@ -40,7 +40,7 @@ signs:
     artifacts: checksum
 
 docker_signs:
-  - artifacts: all
+  - artifacts: manifests
     args: ["sign", "--key=/tmp/cosign.key", "${artifact}"]
     stdin: "{{ .Env.COSIGN_PWD }}"